Directed Line Segments and Modeling — Unit test

Question 1

To prove that ΔAED ˜ ΔACB by SAS, Jose shows that .

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Answer image: https://r08.core.learn.edgenuity.com//media.edgenuity.com/evresources/6e65113956cfbe0f868c11c9121d8b1f.png

Question 2

△ABC is an isosceles triangle with legs AB and AC. △AYX is also an isosceles triangle with legs AY and AX.

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∠A ≅ ∠A; reflexive property

Question 3

A coordinate plane is labeled Street on the x-axis and Avenue on the y-axis. Ping is at point (3, 6) and Ari is at point (21, 18). A line is drawn from Ping to Ari.

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15th Street and 14th Avenue

Question 4

Read the proof.Given: m∠H = 30°, m∠J = 50°, m∠P = 50°, m∠N = 100°Prove: △HKJ ~ △LNP

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triangle angle sum theorem

Question 5

Triangle QRS is to be dilated using the rule .

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6 units

Question 6

Triangle ABC will be dilated according to the rule(x,y), where point F is the center of dilation.

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(1, 0)

Question 7

Two similar triangles are shown.

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reflected

Question 8

Line segment ST is dilated to create line segment S'T' using the dilation rule DQ,2.25.

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x = 2.5 units

Question 9

Rectangle ABCD was dilated to create rectangle A'B'C'D' using point R as the center of dilation.

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5 units

Question 10

Which graph shows a dilation?

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On a coordinate plane, 2 triangles are shown. The smaller triangle has points (negative 1, 0), (negative 1, 2), and (3, 0). The larger triangle has points (negative 2, 0), (negative 2, 3), and (4, 0).

Directed Line Segments and Modeling — Unit test Answers

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