AnswersFL-1205040-MJ Grade 7 Mathematics B -GFConstructing Triangles

Constructing Triangles — Unit test Answers

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Parallel lines r and s are cut by two transversals, parallel lines t and u. How many angles are alternate interior angles with angle 9?

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Answer not available
2
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The diagram below shows triangle MNR with ray NM.What is the measure of ?

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A
3°
B
5°
C
18°
D
28°
3

The measure of angle 1 is and the measure of angle 3 is .What is the measure of angle 2 in degrees?

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A
9
B
98
C
82
D
16
4

Based on the side lengths alone, could the triangles be similar?

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A
No, the sides are not proportional.
B
Yes, the sides are in the ratio 2:5.
C
Yes, the sides are in the ratio 4:5.
D
Yes, the sides are in the ratio 1:5.
5

Joo-Eun wants to draw a triangle with sides measuring 6 mm, 8 mm, and 11 mm. Which is true about Joo-Eun’s plan?

A
Joo-Eun cannot draw a triangle with these side lengths.
B
Joo-Eun can only draw one unique triangle with these side lengths.
C
Joo-Eun can draw exactly two triangles with these side lengths.
D
Joo-Eun can draw more than one triangle with these side lengths.
6

Yu-Xi draws a triangle with two angles measuring and . What is the measure, in degrees, of the third angle?

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A
78
B
79
C
101
D
102
7

Isosceles triangle ABC is shown below.What is the value of x?

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A
22°
B
79°
C
136°
D
158°
8

The two triangles below are similar. Which pair are corresponding sides?

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A
LN and MN
B
MN and RQ
C
LM and QR
D
LM and PQ
9

What is the value of B?

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Answer not available
10

Lines and are parallel. Which angles are congruent?

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A
angles A and E
B
angles B and C
C
angles C, D, and E
D
angles A and C
11

Parallel lines s and t are cut by a transversal r. Which angles are alternate interior angles?

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A
3 and 5
Option A
B
1 and 7
Option B
C
3 and 7
Option C
D
4 and 5
Option D
12

Which set of angle measures could be the measures of the interior angles of a triangle?

A
50°, 60°, and 75°
B
35°, 105°, and 45°
C
62°, 62°, and 62°
D
90°, 45°, and 45°
13

What is the value of x in the diagram?

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A
52 degrees
Option A
B
64 degrees
Option B
C
128 degrees
Option C
D
138 degrees
Option D
14

What is the measure of angle B in degrees?

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Answer not available
15

Triangles 1 and 2 are similar. What ratio relates a side length of triangle 1 to the corresponding side length of triangle 2? Fill in the box to complete the ratio.

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Answer not available

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