Circles — Test Answers

25 verified answers
1
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What is the approximate length of minor arc XZ ? Round to the nearest tenth of a meter.

A
15 point 2 meters
B
18 point 8 meters
C
1 point 8 meters
D
3 point 7 meters
2
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What is the measure of angle cap c ?

A
76 degrees
B
90 degrees
C
152 degrees
D
38 degrees
3

What is m overarc SRT ?

A
258 degrees
B
282 degrees
C
266 degrees
D
274 degrees
4

Which equation results from applying the secant and tangent segment theorem to the figure?

A
10 times open paren A plus 10 close paren is equal to 12 squared
B
10 times 12 is equal to A squared
C
12 times open paren A plus 12 close paren is equal to 10 squared
D
10 plus 12 is equal to A squared
5

What is the approximate length of arc QR ? Round to the nearest tenth of a centimeter.

A
19 point 9 centimeters
B
21 point 5 centimeters
C
9 point 9 centimeters
D
43 point 0 centimeters
7

In the diagram of circle cap A , what is m angle LMN ?

A
75 degrees
B
135 degrees
C
90 degrees
D
120 degrees
9

Which segments are congruent?

A
line segment FG and line segment EH
B
line segment GH and line segment FE
C
line segment EF and line segment GF
D
line segment EH and line segment EF
10

What is the length of line segment MN ?

A
24 units
B
18 units
C
6 units
D
4 units
12

Which circle has a radius that measures 10 units?

A
Image with description A circle has a center F and has a diameter of 20 units.
B
Image with description A circle with a center G and has a diameter of 10 units.
C
Image with description A circle has a center D and has a chord of length 10 units.
D
Image with description A circle with a center H and has a chord of length 20 units.
13

What is the length of line segment JG ?

A
5 units
B
6 units
C
4 units
D
9 units
14

What is the measure of overarc EAC ?

A
100 degrees
B
125 degrees
C
280 degrees
D
235 degrees
15

The measure of central angle ABC is (π)/(2) radians. What is the area of the shaded sector?

A
18 pi units squared
B
9 pi units squared
C
6 pi units squared
D
36 pi units squared
16

In circle cap c , r is equal to 32 units. What is the area of circle cap c ?

A
1024 pi units squared
B
64 pi units squared
C
256 pi units squared
D
32 pi units squared
17

What is the measure of overarc PQ ?

A
48 degrees
B
24 degrees
C
33 degrees
D
66 degrees
18

Which kind of triangle must triangle XYZ be?

A
an isosceles triangle
B
an equilateral triangle
C
a scalene triangle
D
a right triangle
19

What is the measure of arc ST ?

A
112 degrees
B
163 degrees
C
56 degrees
D
68 degrees
20

What is the measure of arc QR ?

A
104 degrees
B
52 degrees
C
26 degrees
D
128 degrees

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