幾何
三角形、圓、解析幾何與證明題。
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find the value of x using the figure, shown to the right. the value of …
25
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what additional information could be used to prove that the triangles a…
AC = 3.9 cm and RQ = 3.9 cm, CB ≅ QM
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find the perimeter of the rectangle.
$8x - 14$
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how can △wxy be mapped to △mnq? translate vertex w to vertex m, then re…
$\overline{WX}$
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graph the inequality below on the number line. x≥6
On the number - line, place a closed - circle at 6 and draw an arrow to the right of 6.
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solve for x.
$x = 1$
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find the unknown side lengths labeled with a variable in the given pair…
$a = 25$ $b = 20$
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find the distance between the two points rounding to the nearest tenth …
$9.2$
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a support beam needs to be placed at a 28° angle of elevation so that t…
3.0 meters
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suppose that the function g is defined, for all real numbers, as follow…
The graph consists of a horizontal line \(y=-1\) for \(x < 0\) (open - circle at \((0,-1)\)), the point \((0,-3)\) (closed - circle), and a horizontal line \(y = 3\) for \(x>0\) (…
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identify two segments that are marked congruent to each other on the di…
AE and BD, AG and BG (answers can vary based on markings in the diagram; these are common - looking congruent - marked segments)
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the rectangle on the right is a scaled copy of the rectangle on the lef…
\(\frac{1}{2}\)
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question the figure on the right is a scaled copy of the figure on the …
Which side corresponds to segment $XZ$: $NL$ What is the scale factor: $\frac{1}{2}$
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2. clare used a compass to make a circle with radius the same length as…
Neither of the given options is true.
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this diagram was constructed with straightedge and compass tools. a is …
The other intersection point of the two circles is labeled as $E$ on the diagram.
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look at this diagram: if $overleftrightarrow{np}$ and $overleftrightarr…
$125$
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use reference angles to find the exact value of the following expressio…
The reference angle is $30^{\circ}$ and $\sec1050^{\circ}=\frac{2\sqrt{3}}{3}$
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question the measures of the angles of a triangle are shown in the figu…
$x=\frac{40}{3}$
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the measures of the angles of a triangle are shown in the figure below.…
$x = 6$
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find the values of x and y.
$x = 2$ $y = 4$
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find the surface area of this triangular prism. be sure to include the …
$1056$ m²
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read the passage from sugar changed the world. one of these early hindu…
Hindus who lived in ancient times believed that sugar had powerful properties.
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solve for the value of p. answer attempt 1 out of 2 p =
$p = 11$
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given m||n, find the value of x. answer attempt 1 out of 2 x =
\(x = 7\)
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which of the following is not a visual element of art? a. color b. text…
D. angle
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6. if m∠cdf=(3x + 14)°, m∠fde=(5x - 2)°, and m∠cde=(10x - 18)°, find ea…
Problem 6: $x = 15$ $m\angle CDF=59^{\circ}$ $m\angle FDE=73^{\circ}$ $m\angle CDE=132^{\circ}$ Problem 7: $m\angle LMP=74^{\circ}$ $m\angle NMP=63^{\circ}$ Problem 8: $m\angle AB…
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if the area of a triangle is 10 square inches and the base is 5 inches,…
4 inches
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graph the image of kite abcd after a dilation with a scale factor of 5,…
The new vertices of the dilated kite are \(A'(0, - 5)\), \(B'(10,0)\), \(C'(0,10)\), \(D'(-10,0)\). Graph these points and connect them to get the dilated kite.
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look at this diagram: if $overleftrightarrow{pr}$ and $overleftrightarr…
$61.9$
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which is the best approximation of the value of x? use the law of sines…
A. 1.5 units
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what is the approximate value of k? use the law of sines to find the an…
First, find the third - angle of the triangle. The sum of angles in a triangle is \(180^{\circ}\), so the third - angle \(J=180^{\circ}-120^{\circ}-40^{\circ}=20^{\circ}\). By the…
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the mid - point of $overline{rs}$ is $m(-0.5, - 4)$. one endpoint is $s…
$R=(-1,-5)$
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2. describe a sequence of transformations that takes trapezoid a to tra…
A 90 - degree counter - clockwise rotation followed by a translation.
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for each pair of figures below, choose how they are related. translatio…
First pair: Rotation Second pair: Translation Third pair: Translation Fourth pair: Rotation
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2. 3 - x < 9 + 5x a. make a prediction for the sign of x by comparing t…
a. x will include positive values. When we solve the inequality, we find $x > - 1$, which includes positive values. b. Draw an open circle at - 1 on the number line and an arrow t…
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for each pair of figures below, choose how they are related.
First pair: Reflection Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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what is the missing length in the scaled copy? units original scaled co…
80
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the scale factor is the number you multiply each length in the original…
10
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perpendicular lines use the diagram to determine whether the statement …
13. False 14. True 15. False 16. True 17. True 18. True 19. True
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select all of the expressions that can be used to find the area of the …
We need to calculate areas of rectangles formed by splitting the polygon and then match with given expressions. Without calculating actual values, we analyze the structure of area…
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what number can you multiply each original length by to get each length…
2
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7. in the accompanying diagram, l || m and line t is a transversal. if …
$70$
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the shape above has the following coordinates: rotate the shape 90° clo…
| | Original | Rotated | |--|--|--| | R | $(3,6)$ | $(6,-3)$ | | Y | (Assume original coordinates $(x_y,y_y)$) | $(y_y,-x_y)$ | | G | (Assume original coordinates $(x_g,y_g)$) | $…
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find the missing side length, in units, in the scaled copy. original sc…
30
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ben draws a circle with a radius of 7 inches. part a what is the circum…
# Explicación: ## Paso 1: Recordar la fórmula de la circunferencia La fórmula de la circunferencia de un círculo es $C = 2\pi r$, donde $r$ es el radio. ## Paso 2: Sustituir el va…
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the square and the rectangle have the dimensions shown. what descriptio…
B. same area, different perimeter
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for each pair of figures below, choose how they are related. translatio…
First pair: Translation Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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which statement about the figures is true? figure 1 figure 2 a. they bo…
A. They both have the same area
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enter the coordinates of the points plotted on this graph into the tabl…
| x | y | |----|----| | - 2 | - 2 | | 1 | - 2 | | 3 | 1 | | 0 | 3 |
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incorrect. your answer is incorrect. for each pair of figures below, ch…
First pair: Translation Second pair: Reflection Third pair: Rotation Fourth pair: Rotation
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which of the following is a true statement about the rectangle below? a…
D. Area = 40 m²
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for each pair of figures below, choose how they are related.
First pair: Translation Second pair: Translation Third pair: Reflection Fourth pair: Rotation
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5. solve for the values of x, showing all work. state the angle relatio…
a) \(x = 23\) b) \(x = 65\) c) \(x = 15\) or \(x=-3\)
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partially correct. your answer is incorrect. for each pair of figures b…
First pair: Rotation Second pair: Translation Third pair: Translation Fourth pair: Rotation
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for each pair of figures below, choose how they are related. translatio…
1. Reflection 2. Translation 3. Rotation 4. Rotation
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pre - algebra name _____ period _____ geometry unit 4 - parallel, perpe…
1. MQ (a line parallel to NR) 2. MP (a line skew to NR) 3. RN (a line perpendicular to NR) 4. MP and NR (a pair of skew lines) 5. MQ and NR (a pair of parallel sides)
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the shape above has the following coordinates: rotate the shape 90° clo…
Without the actual initial coordinates of $R$, $Y$, $G$, $B$ from the grid, we can only give the general form: $R'$: If $R=(x_R,y_R)$ then $R'=(y_R,-x_R)$ $Y'$: If $Y=(x_Y,y_Y)$ t…
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pre - algebra name tripp period geometry unit 4 - parallel, perpendicul…
1. MQ 2. PO 3. NQ 4. PT and OS 5. PQ and SR Multiple - choice: - Which line is parallel to QT: D. line MN - Which line is skew to PT: B. line NO
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for each pair of figures below, choose how they are related. translatio…
First pair: Translation Second pair: Reflection Third pair: Translation Fourth pair: Rotation
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the shape above has the following coordinates: rotate the shape 180° co…
Since the initial coordinates of $R$, $Y$ and $B$ are not given in the problem statement, the general answers are: $R$: $(x_1,y_1)$; $Y$: $(x_2,y_2)$; $B$: $(x_3,y_3)$ $R'$: $(-x_…
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problem 5 here is a polygon on a grid. a. draw a scaled copy of the pol…
# Explanation: ## Step1: Identify polygon vertices Locate the vertices of the original polygon on the grid. ## Step2: Scale for part a For a scale - factor of 3, multiply the x an…
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(x, y) → (opposite of y, x) change the y and flip the shape above has t…
Since the original coordinates of \(R\), \(Y\), and \(B\) are not provided, if the original coordinates of \(R=(x_R,y_R)\), \(Y=(x_Y,y_Y)\), \(B=(x_B,y_B)\), then \(R'=(-x_R,-y_R)…
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for each pair of figures below, choose how they are related. translatio…
First pair: Rotation Second pair: Translation Third pair: Rotation Fourth pair: Reflection
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the shape above has the following coordinates. rotate the shape 180° co…
If the coordinates of $R$ are $(x_R,y_R)$, $R'$ has coordinates $(-x_R,-y_R)$; if the coordinates of $Y$ are $(x_Y,y_Y)$, $Y'$ has coordinates $(-x_Y,-y_Y)$; if the coordinates of…
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partially correct one of your answers is incorrect. for each pair of fi…
First pair: Translation Second pair: Translation Third pair: Rotation Fourth pair: Translation
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for each pair of figures below, choose how they are related. your answe…
First pair: Translation Second pair: Translation Third pair: Rotation Fourth pair: Translation
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list the coordinates of the figure. then list the coordinates after a r…
R: (4, 1) B: (1, 5) Y: (0, 0) R': (-4, 1) B': (-1, 5) Y': (0, 0)
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name the quadrant or axis where each point lies. your answer point a th…
Point A: X - axis Point B: Quadrant I
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list the coordinates of the figure. then list the coordinates after a r…
R: (0, 1) B: (8, 7) Y: (7, 2) R': (0, - 1) B': (8, - 7) Y': (7, - 2)
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name the quadrant or axis where each point lies. (-4, 2): (choose one) …
$(-4,2)$: Quadrant II $(-4,-3)$: Quadrant III $(6,-6)$: Quadrant IV $(0,8)$: Positive $y$ - axis
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7 find the equation of the line that passes through the point a(4,8) an…
$y = -\frac{1}{2}x + 10$ ### 8번 문제
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exit ticket for item 1, use the diagram to complete the exercise. sue i…
# Explicación: ## Paso 1: Definir la fórmula del factor de escala El factor de escala $k$ para una dilatación se calcula como la relación entre las dimensiones correspondientes de…
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the length of a rectangle is four times the width of the rectangle. whi…
D. $4w$
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draw a tape diagram to figure out the other dimension for each televisi…
2. Width: 36 inches 3. Height: 12 inches
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directions: use the statements below along with the diagram to write co…
Points C, E, and B are collinear or ∠AEC ≅ ∠DEB; True
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7 if point $m(\\frac{5}{2},-\\frac{3}{2})$ is the mid - point of segmen…
문제 7: $A(5,-3)$ 문제 8: $B(1,-4)$ 문제 9: $(3, 2)$ 문제 10: $E(-5,-3)$
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connecting concepts in the diagram, $overline{ab}congoverline{bc}$, $ov…
$AB = 3$, $BC = 3$, $AC = 6$, $CD = 6$
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if $overrightarrow{ef}$ bisects $angle ceb$, $mangle cef=(7x + 21)^{cir…
$26^{\circ}$
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an aspect ratio is the relationship between the width and height of a s…
36
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lesson # 14: solve and draw - circles: circumference and area 1. the ra…
1. **Question 4: Area of a circle with \(r = 8\) ft** - # Explanation: - ## Step1: Recall the area - formula - The formula for the area of a circle is \(A=\pi r^{2}\), where \(r\)…
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6. practice nadeem has a photo that is 5 inches tall and 8 inches wide.…
a. Height: 15 inches, Width: 24 inches b. Height: 3.75 inches, Width: 6 inches
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a preposition is a word that shows the relationship of a noun or pronou…
# Brief Explanations: Prepositions show relationships. Prepositional phrases start with[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On …
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6. practice nadeem has a photo that is 5 inches tall and 8 inches wide.…
Height: 15 inches, Width: 24 inches
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3. if $overrightarrow{mo}$ bisects $angle pmn$, $mangle pmn = 74^{circ}…
$x = 15$
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2. error analysis what is wrong with the statement? the statements \i e…
1. The statement in the error - analysis is wrong. They are equivalent. 2. 3. Not a biconditional. 3. 4. Biconditional. 4. 5. Biconditional. 5. 6. Conditional: If the ceiling fan …
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7 find the area of the rectangle on the graph below. 8 the endpoints of…
7. 60 8. 5 9. $5\pi$ 10. $169\pi$
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lesson 14 11. rounded to the nearest whole number, what is the circumfe…
$39$ mi 12.
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1. the height is 18 inches. width: 24 2. the height is 27 inches. width…
1. Width: 72 inches 2. Height: 6.75 inches
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1 - 2 congruent segments and angles homework 1. if qr bisects ∠mqr, qn …
$m\angle MQR = 68^{\circ}$ $m\angle KQR = 34^{\circ}$ $m\angle NQM = 22^{\circ}$ $m\angle LQR = 180^{\circ}$ $m\angle PQL = 68^{\circ}$ $m\angle LQN = 90^{\circ}$
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5. practice the factor you use to create proportional change is called …
a. Examples: 0.5, 0.25, 0.1. Effect: Reduces the dimensions of the image. b. Examples: 1. Effect: No effect on the dimensions of the image. c. Examples: 2, 3, 1.5. Effect: Increas…
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in the 1950s, people wanted to go to movie theaters, so they changed th…
The aspect - ratio of the first TV is $4:3$ and the aspect - ratio of the second TV is $16:9$.
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i) -8 - (-4) - (+4) j) 4 + (-15) - (-15) k) -4 - 5 - 6 l) -7 - 7 + (-7)…
Option 2: $4 - 3-(-4)$
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find the perimeter of the square. include the unit. 16 in
64 in
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lose or loose? circle the word that best completes each sentence. 1. th…
1. lose 2. loose 3. loose 4. lose 5. lose 6. loose 7. lose
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find the perimeter of the rectangle. include the unit. 13 cm 19 cm
64 cm
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5 show that the triangle on the graph below is an isosceles triangle. 6…
5번 문제: $\triangle ABC$는 이등변 삼각형입니다. 6번 문제: $\triangle ABC$는 직각 삼각형입니다.
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the perimeter of the triangle is equal to the perimeter of the square. …
d. \(\frac{5}{2}\) (assuming the perimeter of the triangle is 10)
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other than itself, what is an angle that is congruent to ∠2?
∠4
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which angle is vertical to ∠2? 3 4 2 5 1
∠5
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in a trapezoid, the measure of the consecutive angles next to the longe…
1. a. supplementary 2. d. rectangle, rhombus 3. a. congruent 4. d. The quadrilateral is a parallelogram