几何
三角形、圆、解析几何与证明题。
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7 practice 7 (from unit 4, lesson 10) here is triangle abc. select all …
A. \( \arccos(\frac{28}{53}) \), D. \( \arcsin(\frac{45}{53}) \), F. \( \arctan(\frac{45}{28}) \)
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5 practice 5 (from unit 5, lesson 4) parallelogram ( abcd ) was obtaine…
\( 2 \) ### Part (b)
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practice 6 (from unit 5, lesson 3) select all solids whose cross sectio…
D. cone, E. triangular pyramid
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lines ( l ) and ( m ) are perpendicular ( m perp l ). a point ( q ) has…
(a): Two possible locations of \( Q \) are: - \( Q = P \) (the intersection point of \( l \) and \( m \)). - Any point on line \( l \) (e.g., a point to the right of \( P \) on \(…
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a triangle has an area of 6 square inches and a perimeter of 12 inches.…
To solve this, we analyze the relationships between scale factor, perimeter, and area of a dilated triangle: ### Key Relationships: - **Perimeter and Scale Factor**: Perimeter is …
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here are two polygons: select all sequences of translations, rotations,…
\(\boldsymbol{\text{Rotate } 180^\circ \text{ around point } A}\) (the checkbox next to this option should be selected).
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practice 2 a trapezoid has an area of 100 square units. what scale fact…
8 ### Part b:
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1. let $\\theta$ be the angle between vectors $\\mathbf{u}$ and $\\math…
$\frac{3}{5}$
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nosotros ______ tranquilos porque no tenemos exámenes. la tiza ______ c…
va 2. **¿Adónde ______ ustedes?** "Ustedes" is a third - person plural, so we use "van".
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what are the coordinates of point b after a reflection across the x - a…
\((-2, - 7)\)
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triangle def is rotated 90° counterclockwise about the origin. the resu…
(a) $D(-5, 3) \to D'(-3, -5)$ $E(-1, 1) \to E'(-1, -1)$ $F(-8, -4) \to F'(4, -8)$ (b) $\boldsymbol{(x, y) \to (-y, x)}$
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(a) the arrows below show that the coordinates on the left are mapped t…
(a) The filled coordinates are already correct: $R(-7, 5) \to R'(-1, -4)$ $S(-8, 8) \to S'(-2, -1)$ $T(-4, 4) \to T'(2, -5)$ (b) $\boldsymbol{(x, y) \to (x+6, y-9)}$
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triangle def is reflected across the x-axis. the result is $\\triangle …
(a) The completed mappings are: $D(-8,-4)\to D'(-8,4)$ $E(2,-3)\to E'(2,3)$ $F(-5,-7)\to F'(-5,7)$ (b) $\boldsymbol{(x,y)\to(x,-y)}$
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d c o a 6 cm b p area of triangle =?
$18$ cm²
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angle xyz is rotated 270° counterclockwise about the origin.\ e result …
## (a) $X(-5, -4) \to X'(-4, 5)$ $Y(2, -2) \to Y'(-2, -2)$ $Z(-3, -6) \to Z'(-6, 3)$ ## (b) $\boldsymbol{(x, y) \to (y, -x)}$
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the point a is shown below. reflect a across the y - axis. then reflect…
The final point is at coordinates $\boldsymbol{(1, 7)}$ (plot this point on the grid at x=1, y=7)
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solve the inequality and graph the solution on the line provided. -2x -…
Inequality Notation: \( x \leq 8 \) For the number line: Place a closed circle at 8 (since the inequality is "less than or equal to") and draw a line to the left of 8 to represent…
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the figure below has a point marked with a large dot. first, translate …
Point in original figure: $(5, 6)$ Point in final figure: $(-1, -2)$
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the figure below has a point marked with a large dot. first, translate …
Point in original figure: $(3, -2)$ Point in final figure: $(-4, 2)$
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3 the volume of the cylinder is 27π cubic units. write the volume of th…
# Explanation: ## Step1: Recall volume formulas The volume of a cylinder is \( V_{cylinder} = \pi r^2 h \), the volume of a cone with the same radius \( r \) and height \( h \) as…
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the figure below has a point marked with a large dot. first, translate …
Point in original figure: $(-8, 1)$ Point in final figure: $(0, -5)$
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find the volume of this rectangular pyramid. be sure to include the cor…
$30\ \text{cubic meters}$ or $30\ \text{m}^3$
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the endpoints of (overline{pq}) are (p(-4,6)) and (q(3,-7)). find the e…
\((-4,-1)\)
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the endpoints of \\(\\overline{pq}\\) are \\(p(-4,6)\\) and \\(q(3,-7)\…
\(P''\) at \((-11, 12)\)
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activity 1 hemispheres 2 what if we pour both a cone and a hemisphere i…
The sum of the volume of the cone and the hemisphere equals the volume of the cylinder (when they have the same radius and the cylinder’s height equals its radius). So pouring bot…
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warm-up 1 a cone and a cylinder have the same height and radius. what f…
The cone fills \(\frac{1}{3}\) of the cylinder.
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the figure below has a point marked with a large dot. first, translate …
Point in original figure: $(-1, -7)$ Point in final figure: $(4, 0)$
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the figure below has a point marked with a large dot. first, reflect th…
Point in original figure: (5, 4) Point in final figure: (-5, 4)
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1. find two integer values of c such that \\(\\langle c^2, -7, c + 3\ a…
The two integer values are $c=2$ and $c=3$.
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the figure below has a point marked with a large dot. first, reflect th…
Point in original figure: $(-4, 2)$ Point in final figure: $(4, 2)$
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a recipe requires \\(\\frac{3}{4}\\) cup of butter. if you make half th…
$\frac{3}{8}$ cup ### Problem 21 (Area of Rectangle)
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which number line shows the fraction \\(\\frac{2}{5}\\)?
The third number line (the one with 0 and 1 as endpoints, and the dot at the position representing $\frac{2}{5}$)
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find the distance between the points a and b given below. (that is, fin…
7.21 units
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find the distance between the points a and b given below. (that is, fin…
6.40 units
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(that is, find the length of the segment connecting a and b.) round you…
6.40 units
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based on the characteristics described above, decide whether each state…
Likely part of the middle class (select the circle under "Likely part of the middle class" for this statement) ### 2. Statement: "I work as a lawyer, while my wife stays home to c…
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8. \\begin{cases} x = -2 \\\\ 3x - 2y = -18 \\end{cases} solution:
The solution of the system of equations is \( x=-2,y = 6 \), or in ordered - pair form \( (-2,6) \)
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vertical angles - two angles formed by intersecting lines. vertical ang…
① $w=80^\circ$, $x=100^\circ$, $y=100^\circ$, $z=80^\circ$ ② $w=43^\circ$, $x=137^\circ$, $y=137^\circ$, $z=43^\circ$ ③ $w=35^\circ$, $x=55^\circ$, $y=55^\circ$, $z=90^\circ$ ④ $w…
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solve the inequality and graph the solution. 4z + 9 > 1 plot the endpoi…
The solution to the inequality \( 4z + 9 > 1 \) is \( z > -2 \). For the graph, we use an open circle at \( -2 \) (since the inequality is strict, \( > \), not \( \geq \)) and dra…
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w=\\underline{\\quad}\ x=\\underline{\\quad}\ y=\\underline{\\quad}\ z=…
$w=47^\circ$, $x=43^\circ$, $y=47^\circ$, $z=137^\circ$
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measurement in each set of complementary angles. 2 ) angle = ______ 3 )…
\(37^\circ\) ### Problem 3:
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find the missing angl 1 ) angle = ______
\( 60^\circ \)
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solve the inequality and graph the solution.\\(9 + 2a < 1\\)\ plot the …
The solution to the inequality is \(a < -4\). For the graph, place an open circle at \(-4\) on the number line and draw a ray pointing to the left (towards more negative numbers) …
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solve the following system of equations graphically on the set of axes …
The solution is $(5, -7)$ (the point where the two lines intersect when graphed).
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solve the inequality and graph the solution. -4v - 1 ≥ 7 plot the endpo…
The solution to the inequality \(-4v - 1\geq7\) is \(v\leq - 2\). To graph this, we plot a closed circle at \(-2\) (since the inequality is "less than or equal to") and draw a ray…
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16. what is the volume of a cylinder with a diameter of 6 and a height …
c. $90\pi$
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5 w=____ x=____ y=____ z=____ 6 w=____ x=____ y=____ z=____ complementa…
$w=150$, $x=30$, $y=30$, $z=150$ --- ### For Problem ⑥
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name: monday underline the verbs. in stories and movies, pirates keep p…
Underline: keep, bury, say ### 2. What does dishonorable mean?
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skills practice #22: congruent triangles proofs - sss and sas direction…
1. Congruent by SSS; $\triangle QTF \cong \triangle EPC$ 2. Congruent by SSS; $\triangle ABC \cong \triangle CDA$ 3. Congruent by SAS; $\triangle JMK \cong \triangle LKM$ 4. Congr…
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2 given: \\(\\overline{jl} \\cong \\overline{nm}\\), \\(k\\) is the mid…
| Statements | Reasons | |------------|---------| | 1. $\overline{JL} \cong \overline{NM}$ | 1. Given | | 2. $K$ is the midpoint of $\overline{JN}$ and $\overline{LM}$ | 2. Given …
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in the square below, ( mangle pgq = (-3x)^circ ). find ( x ).
\( x = -15 \)
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in the square below, $m\\angle shp = (-2x - 28) ^\\circ$. find $x$.
\(x = -36.5\)
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in rhombus pqrs, m∠qrt = 37°, rs = 10 and qt = 6. find the length of \\…
6
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the passages below show how people of different economic classes spent …
Since the specific descriptions to classify (whether they apply to wealthy people, people in poverty, or both) are not provided, we can't complete the task yet. However, here's ho…
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in rhombus vwxy, m∠vyz = 53°, xy = 5 and xz = 4. find the length of (ov…
\( \boxed{8} \)
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based on the characteristics described above, decide whether each state…
Likely not part of the middle class (select the circle under "Likely not part of the middle class" for this statement) ### Statement 2: "My husband and I manufacture clothes in a …
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the first three terms of a geometric sequence are as follows. -256, -64…
$-4, -1$
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find the $11^{\\text{th}}$ term of the following geometric sequence.\ 1…
1048576
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5.3.3 quiz: tests for parallelograms if pqrs is a parallelogram, what i…
C. 52
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question 4 of 10 which of these statements describe properties of paral…
A. Opposite sides are congruent, B. Opposite angles are congruent, C. Consecutive angles are supplementary, E. Diagonals bisect each other, F. Opposite sides are parallel
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in rhombus vwxy, ( mangle xwz = 62^circ ), ( vy = 17 ) and ( vz = 15 ).…
\( m\angle VZW = \boxed{90^\circ} \) \( m\angle XYZ = \boxed{124^\circ} \) \( m\angle YXZ = \boxed{28^\circ} \)
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question 3 of 10 defg is definitely a parallelogram. a. true b. false
A. True
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question 2 of 10 if two opposite sides of a quadrilateral are perpendic…
B. False
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question 1 of 10 if both pairs of opposite angles of a quadrilateral ar…
B. False
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the marvelous new militancy which has engulfed the negro community must…
Definition of inextricably: In a way that is impossible to disentangle or separate. Clues: The phrases "their destiny is tied up with our destiny" and "their freedom is... bound t…
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question 4 of 10 the statement \if a, then b\ can best be described as …
D. If A is true, then B must be true.
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solve the inequality and graph the solution on the line provided. -9 + …
Inequality Notation: $x \leq 7$ Number Line: Draw a closed circle at 7, and shade all values to the left of 7 (including 7) on the provided number line.
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find the angle α that satisfies the following equation, where ( 0^circ …
\(30\)
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question 10 of 10 which of the following is most likely the next step i…
A. $\triangle$ (Triangle)
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question 8 of 10 which of the following is most likely the next step in…
D. The figure with a horizontal line to the right, a vertical line up, and three dots (center, right, top)
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question 7 of 10 which figure shows an example of symmetry? a. b. c. d.
C. The figure in option C has left and right halves that are mirror images across the dashed line, showing symmetry.
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use a calculator to find the value of the acute angle \\(\\theta\\) to …
$78$
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find the acute angle \\(\\theta\\), to the nearest tenth of a degree, f…
$40.0$
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find the measure of the side of the right triangle whose length is desi…
$33$
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i am from _chipped coffee mugs and tangled phone charger _ (specific or…
The task is a creative writing/fill - in - the - blank activity under the "Writing" subfield of Arts. To complete it, one needs to provide appropriate content for each blank based…
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find the measure of the side of the right triangle whose length is desi…
86
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find ( mangle b ). write your answer as an integer or as a decimal roun…
\( 22.7 \)
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find the measure of the side of the right triangle whose length is desi…
$a \approx 121$ cm
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find ( mangle u ). write your answer as an integer or as a decimal roun…
\( 70.9 \)
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rewrite \\(\\cos 80^{\\circ}\\) in terms of its cofunction.\\(\\cos 80^…
$\sin 10$
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solve the following system of equations graphically on the set of axes …
The solution to the system of equations is \( x=-1 \), \( y = - 5 \) (or the ordered pair \( (-1,-5) \)).
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use the given triangles to evaluate the following expression. if necess…
$\frac{\sqrt{3}}{2}$
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use the triangle shown to the right to evaluate the following expressio…
$\frac{\sqrt{3}}{2}$
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12. figure abcd is shown on the coordinate plane below. the figure will…
D. \((-6, 8)\) ### Question 3
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special pool order - challenge question! your client asked for a pool d…
The pool has dimensions of 16 meters and 5 meters (length and width can be swapped). To draw the pool: 1. Sketch a rectangle. 2. Label one pair of opposite sides as 16 m, and the …
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10. trapezoid abcd and its image abcd are shown on the coordinate plane…
C. reflection over the \(y\) axis and then a rotation of \(180^{\circ}\) about the origin ### Question 11
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use the pythagorean theorem to find the length of the missing side of t…
Missing side length: $25$ $\sin\theta = \frac{3}{5}$, $\cos\theta = \frac{4}{5}$, $\tan\theta = \frac{3}{4}$, $\csc\theta = \frac{5}{3}$, $\sec\theta = \frac{5}{4}$, $\cot\theta =…
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3. describe a sequence of transformations that could map the pre - imag…
One possible sequence is: Reflect the pre - image over the y - axis and then translate 1 unit down (or translate 6 units to the right and 1 unit down, or other valid sequences of …
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blanca rivera is purchasing the piece of velveteen that is pictured in …
Question 1: 2304 square inches Question 2: $190$
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l - shaped figures part 1 of 2 1 2 tryin below is a blueprint for a art…
Question 1: 50 feet Question 2: 60 feet Question 3: 288 feet
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solve the inequality both algebraically and graphically. draw a number …
Algebraic solution: $x < \frac{93}{5}$ Interval notation: $(-\infty, \frac{93}{5})$ Graph description: Open circle at $\frac{93}{5}$ (18.6) on the number line, shading extending t…
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which angles are supplementary to each other? select all that apply. ∠5…
The supplementary angle pairs are \(\boldsymbol{\angle5}\) and \(\boldsymbol{\angle4}\), \(\boldsymbol{\angle5}\) and \(\boldsymbol{\angle1}\), \(\boldsymbol{\angle4}\) and \(\bol…
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which angles are supplementary to $\\angle 12$? select all that apply.
\(\angle4\), \(\angle9\), \(\angle7\), \(\angle5\)
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kdsx is an isosceles trapezoid, as shown, where ( mangle k = (35z - 20)…
9: $z = 3.84$, $t = 4.06$
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question 1: the area of a park is 4680 square feet. how many square yar…
1. 520 square yards 2. 639 sq ft 3. 41 $\text{ft}^2$ 4. 7344 square inches
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the rectangle is made of unit squares. what is the area of the rectangl…
12
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an oblique square prism is shown. which expression represents the volum…
$\boldsymbol{x^2(x-2)}$ cubic units
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select all the pentagons.
The pentagons are the first (green - sided), second (blue - sided top - right), and third (blue - sided bottom - left) figures.
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an oblique cylinder has a radius of 10 units and slant length of 26 uni…
2,400π cubic units
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a right prism has a rhombus as a base. the height of the prism is 6 inc…
6 in. by 8 in.