AnswersFL-1205040-MJ Grade 7 Mathematics B -GFCircumference

Circumference — Unit test Answers

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21
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What is the measure of ?

Question illustration
A
28 degrees
Option A
B
62 degrees
Option B
C
118 degrees
Option C
D
152 degrees
Option D
22
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If two angles are supplementary and one of the angles measures 62°, what is the measure of the other angle?

A
28°
B
38°
C
118°
D
128°
23

Line ABC is a straight line. Which describes the relationship between and ?

Question illustration
A
and are complementary angles.
Option A
B
and are supplementary angles.
Option B
C
and are vertical angles.
Option C
D
and are acute angles.
Option D
24

The circumference of a circle is inches. What is the length of the radius of this circle?

Question illustration
A
14 in.
B
21 in.
C
28 in.
D
56 in.
25

Which formula should be used to find the circumference of a circle?

A
C = pi d
Option A
B
C = 2 pi d
Option B
C
C = pi r
Option C
D
C = StartFraction pi over d EndFraction
Option D

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