幾何
三角形、円、座標幾何、証明問題。
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triangle abc is a right triangle with altitude cd. move options to the …
First row: $\angle A$; $\triangle ACD$; Angle - Angle Second row: $\angle B$; $\triangle CBD$; Angle - Angle
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if two angles are complementary angles, the sum of the measures of the …
A. The sum of the measures of ∠1 and ∠2 is 90° by the law of Detachment.
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1. parallelogram abcd was translated to parallelogram abcd. how many un…
B. 3 units to the left
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given: if a figure is a square, then all sides are congruent. figure ab…
A. Figure ABCD has all sides congruent by the Law of Detachment.
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parallelogram abcd is shown with diagonal bd. move options to the space…
| Statement | Reason | |--|--| | $ABCD$ is a parallelogram. | Given | | $\angle CBD\cong\angle ADB$ | Alternate Interior angles are congruent. | | $\overline{AB}\cong\overline{CD}…
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triangles jkl and jmn are shown on the grid below. are △jkl and △jmn si…
The ratio of \(\overline{JK}\) to its corresponding side of \(\triangle{JMN}\) is \(\frac{1}{2}\). The ratio of \(\overline{KL}\) to its corresponding side of \(\triangle{JMN}\) i…
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a cylinder and a cone have the same volume. the cylinder has a radius o…
B. 8 inches
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larsons flooring sponsored a survey about home flooring preferences. fl…
72
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what conclusion can be drawn from the given statements by using the law…
C. If two lines in a plane are not parallel, then they intersect in a point.
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what conclusion can be drawn from the given statements by using the law…
B. If the measure of an angle is between 90° and 180°, then it is not acute.
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what conclusion can be drawn from the given statements by using the law…
D. No valid conclusion can be drawn. The conclusion of the first statement is not the hypothesis of the second statement.
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an ice cream shop in georgetown sells a variety of different flavors an…
126
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josefina wants to prove that figures d and d are similar. what sequence…
Josefina could translate Figure $D$ left 3 units to form Figure $D'$. Then she could dilate Figure $D'$ by a scale factor of 2 with a center of dilation at $(0,2)$ to form Figure …
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aubrey, who just won the election for student body president at lakewoo…
90
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3. the radius of a circle is 10 in. find its circumference in terms of …
Problem 3: $20\pi$ in. Problem 4: $18\pi$ m. Problem 7: $20\pi$ m. Problem 8: $38\pi$ ft.
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5. the radius of a circle is 7 m. find its c terms of π. c = 2πr c = 2π…
$20\pi$ m
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a park has the shape and dimensions in blocks given below. a water foun…
D. $8\frac{1}{2}$ blocks east and $4\frac{1}{2}$ blocks north
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use the diagram of a square pyramid to answer the question. what is the…
D. $\sqrt{41}$ in.
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a non - profit organization kept track of the amount of funding it rece…
180
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a tree that is 12 feet tall casts a shadow that is 9 feet long. at the …
C. 8 ft
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determine whether the conclusion is valid based on the information stat…
A. The conclusion is valid. The Law of Detachment applies.
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△cde was rotated 90° clockwise around the origin to form △cde. △cde was…
$C(-6,4);D(-2,2);E(-6,-2)$
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a regular pentagon has an area of 375 square meters, and its side lengt…
# Explanation: ## Step1: Find number of congruent triangles A regular pentagon can be divided into 5 congruent triangles. ## Step2: Calculate area of one triangle The area of the …
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10) use a compass and a straight edge to construct an angle bisector of…
1) $\overline{AB}\perp\overline{CD}$
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a park has the shape and dimensions in blocks given below. a water foun…
D. $8\frac{1}{2}$ blocks east and $4\frac{1}{2}$ blocks north
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find the length of side x in simplest radical form with a rational deno…
$\sqrt{3}$
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isabelle has a five - sided chicken coop in her yard. each side has an …
B. $15\sqrt{5}$ yards
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in the figure below, (mangle abd = 89^{circ}), and (mangle1) is (19^{ci…
$35$
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find the length of side x in simplest radical form with a rational deno…
$\frac{\sqrt{22}}{2}$
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18. in the standard (x,y) coordinate plane below, the points (0,0), (10…
G. 60
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tony performs a dilation on figure r. he uses a scale factor of 4 with …
$(-20,0)$
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find the length of side x in simplest radical form with a rational deno…
$\sqrt{3}$
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15. a cargo ship is 4.2 miles from a lighthouse, and a fishing boat is …
B. $\sqrt{(4.2)^{2}+(5.0)^{2}-2\times4.2\times5.0\cos5^{\circ}}$
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1. the circumference of a circle is 18π in. find its diameter, in inche…
1. 18 in 2. 5 cm 3. $20\pi$ in
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in the figure below, m∠1 = 48° and m∠2 = 89°. find m∠fgj.
$137$
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use the given information to prove that △pqr≅△rsp. given: $overline{pq}…
1. Reason: Given 2. $\overline{SP}$ 3. Reason: Reflexive property of congruence 4. Reason: SSS (Side - Side - Side) congruence criterion
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problem 3 determining whether lines are parallel the fence gate at the …
For Problem 3: Lines $r$ and $s$ are parallel because $\angle1$ and $\angle2$ are corresponding angles and $\angle1\cong\angle2$. Another way is to check alternate - interior angl…
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algebra and geometry review factoring a difference of squares in one va…
$(9 + 8y)(9 - 8y)$
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classify the four angles of the quadrilateral. a 110° 90° b 60° c 100° …
∠A: Obtuse ∠B: Acute ∠C: Obtuse ∠D: Right
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what is the correct multiple transformations that causes triangle 1 to …
Reflection over y = x line and then Translation 1 Right and 5 Up.
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what is the correct list of transformations to go from the pre - image …
$r_{y - axis}$ and then $T_{(x + 6,y+2)}$
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what is the correct list of transformations to go from the pre - image …
\(r_{y - axis}\) and then \(T_{(x + 8,y + 2)}\)
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what would be the correct types of transformations to go from fig.1 to …
REFLECTION then TRANSLATION
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14.) the pre - image and image of a triangle are graphed below. determi…
# Explicación: ## Paso 1: Comprobar si es una rotación Los triángulos mantienen la misma forma y tamaño, solo cambia su orientación. Además, parece que todas las coordenadas se mu…
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the distance between the point (2, 3) and (x, 6) is 3√2. use the distan…
B. 5 or -1
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when looking at the diagram below, the pre - image is figure k which is…
$T_{(-1,-3)}$ and then $R_{180^{\circ}}$
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13.) the preimage and image of a triangle are graphed below. determine …
# Explicación: ## Paso 1: Comprobar si es una rotación Observamos que la forma y tamaño del triángulo se mantienen, solo cambia su orientación en el plano cartesiano, por lo que e…
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when looking at the diagram below, the pre - image is figure k which is…
Reflection across the y - axis then translation 4 units down.
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read each question and circle the best answer for each. (12 pts) 1. wha…
1. D. Individual rights 2. D. a tax paid in order to vote in an election 3. C. The structure and branches of government 4. A. Reserved 5. C. 19th 6. B. Veto an act of Congress
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choose the correct combination of transformations that would work to ge…
90° CW Rotation and then a Translation
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the point b lies on the segment $overline{ac}$. find the coordinates of…
$(-17,-14)$
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choose the correct combination of transformations to go from the pre - …
Reflect over the y - axis and then Translate down 8 units
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ance between the points j=(0, -8) and h=(8, -5) in the coordinate plane…
$8.54$
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find the distance between the points k = (-7, -3) and l = (-1, 3) in th…
$6\sqrt{2}$
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which of these is not a reason why the united states did not join the l…
B. After World War I many Americans were wary of becoming too entangled in European affairs and favored a more "isolationist" approach.
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find the distance between the points (7, 7) and (2, 7). distance:
5
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the point t is plotted on the coordinate grid below. plot the point the…
Plot the point $(-5,-3)$ on the graph.
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in the figure below, s is between q and t, and r is the midpoint of $ov…
$4$
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answer a reflection over the line y = x a counterclockwise rotation of …
A counterclockwise rotation of 270° about the origin
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the point g is the midpoint of $overline{fh}$. find the location of f.
$-5$
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find the location of k, the midpoint of $overline{jm}$. location of k :
6.95
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1. for the figure shown here, a. rotate segment cd 180° around point d.…
a. The new segment has $D$ as one endpoint and the other endpoint is on the line $CD$ such that $D$ is the mid - point between $C$ and its image. b. The new segment is obtained by…
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incorrect your answer is incorrect. find the location of b, the mid - p…
8
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find the value of n. (6n + 18)° (n + 37)°
$n = 5$
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figure t is the result of a transformation on figure s. which transform…
A reflection over the y - axis
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find the value of c. (4c + 4)° (c + 52)°
$16$
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triangle abc is dilated to form triangle xyz. find the scale factor by …
$\frac{12}{16}=\frac{3}{4}$; The scale factor is $\frac{3}{4}$
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figure v is the result of a transformation on figure u. which transform…
A reflection over the x - axis
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find the value of a. (4a + 88)° (a + 61)°
$a=-9$
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triangle b has the angle measures shown below. 62° 144° triangle b the …
The triangles are similar because they each have angles that measure 36°, 62°, 82°.
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answer a rotation 180° clockwise about the origin a translation 2 units…
A. A rotation 180° clockwise about the origin
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reflect the figure over the line x = 1. plot all of the points of the r…
To reflect the figure, for each point $(x,y)$ of the original figure, find the new point $(2 - x,y)$ and plot them.
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in the figure below, xz = 13 and yz = 5. find xy.
$8$
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question what is the image of (-1, -2) after a reflection over the line…
$(-2,-1)$
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question what is the image of (0, -8) after a reflection over the line …
$(-8,0)$
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choose the term that has the given definition. term definition collinea…
1. Coplanar 2. Circle 3. Collinear 4. Line - segment
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question what is the image of (9, -7) after a reflection over the y - a…
$(-9,-7)$
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triangle abc is translated according to the rule (x, y) → (x + 2, y - 8…
D. $(6, - 13)$
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given a center of dilation of (-5,1) and a scale factor of 0.5, is the …
No, the image will not be the same size as the preimage.
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question what is the image of (-9, -4) after a reflection over the y - …
$(9,-4)$
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which rule represents the translation from the pre - image, ▱abcd, to t…
$T_{1,2}(x,y)$
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what would the center of dilation be for the following object with a at…
(-1,1)
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square abcd was translated using the rule (x, y)→(x - 4, y + 15) to for…
$(13,-23)$
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what would the center of dilation be for the following object with d at…
(-7,2)
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rectangle abcd has vertices a(-6, -2), b(-3, -2), c(-3, -6), and d(-6, …
A. \(T_{-4,3}(x,y)\)
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a triangle on a coordinate plane is translated according to the rule t …
C. $(x,y)\to(x - 8,y + 4)$
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which statements are true about triangle abc and its translated image, …
The rule for the translation can be written as \((x,y)\to(x + 3,y - 3)\)
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what would the center of dilation be for the following object with g at…
Not enough information
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describe the symmetry of these functions.
Left - hand graph: line symmetry only Right - hand graph: no symmetry
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what would the center of dilation be for the following object with a at…
B. (-1,2)
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a rectangle on a coordinate plane is translated 5 units up and 3 units …
\((x,y)\to(x - 3,y + 5)\) (corresponds to the third option)
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triangle abc was translated according to the rule t4.5, -6.2(x, y) to f…
$(-5.5,3.2)$
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what is the equation for the axis of symmetry for the function shown on…
$x = - 5$
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what is the equation for the axis of symmetry for the function shown on…
\(y = 0\)
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in the figure below, points t, r, x, y, and z lie in plane p. points q …
(a) $\overleftrightarrow{RT}$ (b) $TXY$ (c) $Y$ (d) $X$, $Z$, $T$
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for each figure as a line, ray, or line segment. then, show how to writ…
a) Type: line segment, How to write it: $\overline{TU}$ b) Type: line, How to write it: $\overleftrightarrow{PQ}$ c) Type: ray, How to write it: $\overrightarrow{SR}$
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lesson 19 practice problems 1. what is the measure of angle abe? 2. sel…
1. $40^{\circ}$ 2. A. $c + b=d + c$, D. Rotate 180 degrees using center $B$. Then angle $CBD$ is the image of angle $EBA$.
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part e: graph the solutions. graph the solution on a number line. 14. x…
14. On the number - line for \(x\), an open circle at 4 and shading to the left. 15. On the number - line for \(y\), a closed circle at - 2 and shading to the right. 16. The inequ…
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the perimeter of △jkl is 106. find the length of midsegment (overline{s…
A. 17
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two sides of a triangle measure 12 and 10. which inequality shows all t…
A. \(2 < x < 22\)