AnswersMathematics IICircles With and Without Coordinates

Circles With and Without Coordinates — Test Answers

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2
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What is the measure of arc ST ?

A
68 degrees
B
56 degrees
C
112 degrees
D
163 degrees
3

What is the measure of angle cap c ?

A
76 degrees
B
90 degrees
C
38 degrees
D
152 degrees
4

What is m overarc SRT ?

A
282 degrees
B
274 degrees
C
266 degrees
D
258 degrees
5

In circle cap o , what is m angle MAJ ?

A
250 degrees
B
55 degrees
C
125 degrees
D
50 degrees
6

Which circle has a radius that measures 10 units?

A
Image with description A circle has center D. A segment connecting two points on the circle does not pass through the center and is labeled 10.
B
Image with description A circle has center H. A segment connecting two points on the circle does not pass through the center and is labeled 20.
C
Image with description A circle has center F. A segment connecting two points on the circle passes through the center and is labeled 20.
D
Image with description A circle has center G. A segment connecting two points on the circle passes through the center and is labeled 10.
9

Consider a circle whose equation is x squared plus y squared minus 2 x minus 8 is equal to 0 Which statements are true? Choose three correct answers.

A
The radius of this circle is the same as the radius of the circle whose equation is x squared plus y squared is equal to 9 .
B
The radius of the circle is 3 units.
C
The center of the circle lies on the y -axis.
D
The standard form of the equation is open paren x minus 1 close paren squared plus y squared is equal to 3 .
E
The center of the circle lies on the x -axis.
10

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
43 point 0 centimeters
D
9 point 9 centimeters
12

Which segments are congruent?

A
line segment GH and line segment FE
B
line segment EF and line segment GF
C
line segment EH and line segment EF
D
line segment FG and line segment EH
14

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

A
1 point 8 meters
B
15 point 2 meters
C
3 point 7 meters
D
18 point 8 meters
15

What is the equation of the directrix of the parabola?

A
y is equal to negative 3
B
x is equal to negative 3
C
y is equal to 3
D
x is equal to 3
16

What is the length of segment NP ?

A
1 unit
B
4 units
C
3 units
D
2 units
17

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

A
75 degrees
B
120 degrees
C
135 degrees
D
90 degrees
19

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

A
36 pi units squared
B
9 pi units squared
C
6 pi units squared
D
18 pi units squared
20

What is the measure of overarc EAC ?

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

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