幾何
三角形、圓、解析幾何與證明題。
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25 - 20 college readiness mathematics right - angle trigonometry given …
$\frac{3}{5}$
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the face of a clock is divided into 12 equal parts. the radius of the c…
The length of the minor arc between 11 and 2 is the same as the length of the minor arc between 7 and 10; With one hand at 5 and the other at 10, the minor arc formed by the hands…
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the equation cos⁻¹(3.4 / 10)=x can be used to determine the measure of …
$70^{\circ}$
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given right triangle def, what is the value of tan(f)?
\(\frac{40}{9}\)
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the equation sin(40°) = b/20 can be used to determine the length of lin…
$12.9$ cm
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triangle abc is shown. which equation can be used to solve for c? a 3 m…
\(\cos(50^{\circ})=\frac{3}{c}\)
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given right triangle abc, what is the value of tan(a)?
$\frac{12}{5}$
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19. use the slopes of lines a and b to show that they are perpendicular…
Since the product of the slopes of line A and line B is - 1, the two lines are perpendicular.
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graph each transformation, and rewrite the algebraic rule in words. 3. …
3. Description: A vertical translation 5 units down. 4. Description: A translation 1 unit to the right and 4 units up. 5. Description: A translation 4 units to the right. Rule: (x…
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given right triangle xyz, what is the value of tan(y)?
$\frac{\sqrt{3}}{3}$
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26.) $\theta=-135^{circ}\to$ reference angle: ____________
$45^{\circ}$
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an arc on a circle measures 250°. within which range is the radian meas…
$\pi$ to $\frac{3\pi}{2}$ radians
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fluency blast read the passage. were having a blizzard. it has been sno…
1. Quicksand is a deep bed of light, loose sand that is full of water. 2. quicksand 3. plastic bag, feather, cotton ball
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graph each transformation, and rewrite the descr 1. translate left 3 un…
\((x,y)\to(x - 3,y - 4)\)
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which statements are true about triangle qrs? choose three correct answ…
1. The hypotenuse is QR. 2. The side adjacent to ∠Q is QS. 3. The side opposite ∠Q is RS.
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use the diagram to complete the statement. given △jkl, sin(38°) equals …
$\cos(52^{\circ})$
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angle trigonometry which equation can be used to find the measure of an…
$\sin(x)=\frac{10}{15}$
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2 - 84. review: solve for x using the theorems and properties of angles.
a. $x = 10.75$ b. $x = 4.75$ c. $x = 135$ d. $x=-11$
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match each quadrilateral type with its unique diagonal property. (2 poi…
Rectangle: Diagonals are always congruent and bisect each other Parallelogram: Diagonals bisect each other but are not necessarily equal Rhombus: Diagonals are perpendicular and b…
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what construction method creates the foundation for proving base angle …
B. Constructing an angle bisector through the vertex
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use the image of the parallelogram to answer the question. the interior…
11
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the perimeter of abcd is 20 inches and ac = 10 inches. what is the leng…
C. 5
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draw the image of quadrilateral abcd under a translation by 2 units to …
Plot points $A'(-2,-4)$, $B'(5,-6)$, $C'(4,-3)$ and $D'(-3,-2)$ and connect them to form the translated quadrilateral.
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point p is the image of p(-2, -2) under a translation by 1 unit to the …
$(-3,-5)$
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drag and drop the words into the correct locations. (1 point) a quadril…
First blank: opposite Second blank: parallel
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1. two angles are complementary. one angle is 8° more than the other. w…
a. equation 1: $x + y=90$ equation 2: $y=x + 8$ b. $x = 41$, $y = 49$
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point q is the image of q(-7, -6) under the translation (x,y)→(x + 12,y…
\((5,2)\)
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transversal. (2 points) consecutive interior angles alternate interior …
Consecutive Interior Angles - Inside parallel lines on same side of transversal, sum to 180 degrees Alternate Interior Angles - Inside parallel lines on opposite sides of transver…
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21. take it further suppose you want to find the height of a flagpole. …
Set up the proportion $\frac{h_1}{s_1}=\frac{h_2}{s_2}$ and solve for $h_2$ as $h_2 = \frac{h_1\times s_2}{s_1}$, where $h_1$ is your height, $s_1$ is the length of your shadow, $…
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11. make sense and persevere the area of a rectangle is given. identify…
The missing terms are \(7\) and \(x\), so the length is \((x + 7)\) and the width is \((x + 4)\)
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what key geometric principle allows mathematicians to prove that triang…
Alternate interior angles formed by parallel lines and transversals
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11. make sense and persevere the area of a rectangle is given. identify…
The missing terms are \(7\) and \(x\) (from left - to - right).
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consider circle o, in which arc xy measures 16π cm. the length of a rad…
1. $64\pi$ 2. $\frac{1}{4}$ 3. $90^{\circ}$
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when two parallel lines are cut by a transversal, which angle relations…
Corresponding angles
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what is the fundamental requirement for proving that points on a perpen…
Establish congruent right triangles
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8th grade math course: 8th grade math > unit 6 lesson 2: translations t…
The new coordinates of the image of point P are (10, - 6).
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the sides of a triangle measure 16 yd, 37 yd, and 25 yd. find its area.…
\(158.5\)
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a______ architect scale has 11 scales in all. rectangular square triang…
C. Triangular
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in a circle c, sq = 10 cm. arc pq is congruent to arc sr. the measure o…
Arc $PQ$ is congruent to arc $SR$. Arc $QS$ measures about $15.7$ cm.
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2-65 find the missing lengths in the problem below. assume each line se…
a) 10 b) 30
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7. write an expression for each of the verbal descriptions below. state…
A. $6x + 4y$ B. $(p - q)^2$ C. $\frac{m}{n}-6$ D. $3a + 2b$
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for items 16 and 17, use the figure. 16. if m∠2 = 42 and m∠6 = 126, wha…
# Explanation: ## Step1: Recall angle - sum property of a triangle and linear - pair property The sum of the interior angles[SSE Completed, Client Connection Error][SSE Completed,…
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in circle c, sq = 10 cm. which statements about the circle are correct?…
1. Arc $PQ$ is congruent to arc $SR$ (because they have equal central angles in the same circle). 2. The measure of arc $QR$ is $150^{\circ}$. 3. The circumference of circle $C$ i…
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determining radius length. consider circle c, where the central angle i…
12
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for items 12 and 13, use the diagram shown. 12. if ∠1≅∠3, which conclus…
# Explanation: ## Step1: Recall angle - parallel line[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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1. use the pythagorean theorem to find x. round to the nearest tenth.
a. \(x = 10\) b. \(x = 4\) c. \(x\approx8.7\) d. \(x\approx6.9\)
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Question was provided via image upload.
For the first triangle: \(x = 5\sqrt{3}\), for the second triangle: \(x=4\sqrt{3}\)
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finding arc length given a central angle measure. in circle o, central …
$12\pi$ cm
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which of the following represents the area of a rectangle whose length …
$3x^{2}-x - 10$
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find the area of δuvw. write your answer as an integer or as a decimal …
\(232.1\)
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consider circle c with radius 5 cm and a central angle measure of 60°. …
What fraction of the whole circle is arc RS? $\frac{1}{6}$ What is the approximate circumference of the circle? $31.4$ cm What is the approximate length of arc RS? $5.23$ cm
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find the area of △xyz. write your answer as an integer or as a decimal …
$199.9$ cm²
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10. if (mangle nop = 37) and (mangle noq = 123), what is (mangle poq)
$86$
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find the area of δuvw. write your answer as an integer or as a decimal …
\(197.4\)
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1. use the pythagorean theorem to find x. round to the nearest tenth. a…
a. 10 b. 4
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find the area of △vwx. write your answer as an integer or as a decimal …
\(232.2\)
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circle o has a circumference of 86 cm. what is the length of the radius…
$4$ cm
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question 2 (1 point) use the distance formula to find the distance, to …
D. 7.8 units
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find the area of △wxy. write your answer as an integer or as a decimal …
\(643.5\)
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find the area of △uvw. write your answer as an integer or as a decimal …
\(296.7\)
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find the area of △uvw. write your answer as an integer or as a decimal …
\(113.3\ m^{2}\)
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the formula c = 3.14d can be used to approximate the circumference of a…
$2.166\leq d\leq2.293$
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4. what is the value of x? a 16 b 20 c 21 d 28 (5y + 10)° (3x + 7)°
C. 21
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the statue of liberty is about 300 feet tall and about 30 feet wide. th…
30
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nine miles south of boston, just a little back from the eastern shores …
C. Unfamiliar
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arc length using radians in circle o, angle aob measures $\frac{pi}{4}$…
$4\pi$
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1. which conclusion can you make from the given statements? if a transv…
A. \(\angle1\) is congruent to \(\angle7\)
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a side of the triangle below has been extended to form an exterior angl…
\(17^{\circ}\)
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1. a rectangle has a length of (4 + x) inches and a width of 12 inches.…
$x=-2$
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explore radian measure by following these steps. and radius arc length …
$r\theta$
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a side of the triangle below has been extended to form an exterior angl…
\(48\)
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a side of the triangle below has been extended to form an exterior angl…
\(57\)
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arc ab is $\frac{1}{3}$ of the circumference of a circle. what is the r…
$\frac{2\pi}{3}$ radians
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images of words. circle the letter of each sentence that suggests the n…
1. A. The store closes three hours earlier during the off - season, C. Major suppliers have cut the cost of heating oil by five cents a gallon. 2. A. We found out it was the boy n…
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2 - 4 homework what happened when one famous composer hit another famou…
Without the actual coordinates of the points in the given figures in the image, we can't provide specific numerical answers for the coordinates of the transformed points. But the …
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17. calculate the quantity of ¾ inch 4 x 8 feet fiberboard (osb) panels…
85
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name liz review short and long vowels read each sentence. identify the …
1. long i 2. long a 3. short i 4. long u 5. short i 6. long e 7. long o 8. short a 9. short o 10. short u
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solve the inequality. graph the solution set and write it in interval n…
The correct graph is the one with an open - circle at 0 and shading to the left. In interval notation: $(-\infty,0)$
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a photo collage consists of seven equal - sized square photos arranged …
63
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n measure there are exactly π radians in a semicircle. there are exactl…
There are exactly $2\pi$ radians in a full circle. There are approximately $6.28$ radians in a full circle. $2\pi$ radians is equal to $360$ degrees.
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2. the vertices of △xyz are x(-4, 7), y(0, 8), and z(2, -1). a. what ar…
The vertices of $r_{(180^{\circ},O)}(\triangle XYZ)$ are $X'(4,-7)$, $Y'(0,-8)$, $Z'(-2,1)$.
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a side of the triangle below has been extended to form an exterior angl…
\(35^{\circ}\)
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solve the inequality. graph the solution set and write it in interval n…
The solution in interval notation is \((3,\infty)\). The correct graph is one with an open - circle at \(x = 3\) and an arrow pointing to the right (assuming graph C is the one wi…
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consider the following questions as you read a short knowledge article …
1. McCarthyism describes the practice of making unfounded accusations of subversion and treason, especially regarding alleged communist activity. It is called that because it was …
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i. for each angle θ below, do the following: a.) draw angle with a colo…
11. $\frac{31\pi}{36}$ 12. $-\frac{11\pi}{6}$ 13. $4\pi$ 14. $210^{\circ}$ 15. $60^{\circ}$ 16. $-312^{\circ}$ 17. Positive: $474^{\circ}$, Negative: $-246^{\circ}$ 18. Positive: …
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4. the area of a rectangle is 59.63 inches squared. if the length is 8.…
6.7 inches
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solve the inequality. graph the solution set and write it in $\frac{1}{…
A. (since the correct graph has an open circle at $\frac{20}{9}$ and the line extends to the right), $(\frac{20}{9},\infty)$
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explore radian measure by following these steps. 1. move point l to set…
3
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by decreasing each dimension by 1 unit, the area of a rectangle decreas…
$40$
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15. on a blueprint of a new house, a particular room has length 11 cm. …
8 cm
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what is the slope of this line? simplify your answer and write it as a …
$\frac{5}{7}$
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what is the slope of this line? simplify your answer and write it as a …
$\frac{1}{4}$
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name the marked angle in 2 different ways.
\(\angle G\), \(\angle IGH\)
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name the marked angle in 2 different ways.
\(\angle G\), \(\angle HGI\)
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what is the slope of this line? (-5, -4) (1, -4) simplify your answer a…
$0$
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2. the endpoints of cd are c(-2, -4) and d(6, 2). what is the y - coord…
$-1$
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what is the slope of this line? (4, 3) (0, 0) simplify your answer and …
$\frac{3}{4}$
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name the marked angle in 2 different ways.
\(\angle G\), \(\angle HGF\)
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question name the marked angle in 2 different ways.
1. $\angle U$ (using the vertex - point naming) 2. $\angle TUV$ (using the three - point naming with vertex U in the middle)
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what is the poem trying to say? the soul selects her own society - • th…
The poem explores the autonomy and self - sufficiency of the soul, indicating its power to choose its own social circle and its self - contained nature.