AnswersCR CCSS Math 2 S2 M2960OXCircumference and Arc Length

Circumference and Arc Length Answers

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3

2.6✔ 5.213.1

A
2.6
B
✔ 5.2
C
13.1
117051

Consider a regular hexagon inscribed in circle C with radius r. Regular hexagons have six congruent sides and six congruent angles. In the figure, angle CAB measures 60°.

Answers:
What is m∠ACB? °:60
What is the length of segment AB?:r
What is the perimeter of the hexagon?:6r
The perimeter of the hexagon is the circumference of the circle.:slightly less than
The circumference of the circle is .:slightly greater than 6r
117052

1/2r✔ r60

A
1/2r
B
✔ r
C
60
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r✔ 6r180

A
r
B
✔ 6r
C
180
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slightly greater than✔ slightly less thanequal to

A
slightly greater than
B
✔ slightly less than
C
equal to
117055

✔ slightly greater than 6rslightly less than 6requal to 6r

A
✔ slightly greater than 6r
B
slightly less than 6r
C
equal to 6r
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What is the length of arc AB?

A
6π cm
B
12π cm
C
18π cm
D
36π cm
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325064

A
32
B
50
C
64
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⇒ 12

Answer:

117032

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Which statements about the circle are correct? Check all that apply.

A
Arc PQ is congruent to arc SR.
B
The measure of arc QR is 150°.
C
The circumference of circle C is 20π cm.
D
Arc PS measures about 13.1 cm.
E
Arc QS measures about 15.7 cm.
117061

Which statements about the clock are accurate? Check all that apply.

A
The central angle measure when one hand points at 2 and the other points at 4 is 60°.
B
The circumference of the clock is about 19 in.
C
With one hand at 5 and the other at 10, the minor arc formed by the hands is about 15.7 in.
D
The minor arc measure when one hand points at 1 and the other hand points at 9 is 150°.
E
The length of the minor arc between 11 and 2 is the same as the length of the minor arc between 7 and 10.
117062

456067

A
45
B
60
C
67
117063

1/41/31/2

A
1/4
B
1/3
C
1/2
D
Option
117064

11.514.716.8

A
11.5
B
14.7
C
16.8
117065

45°90°135°

A
45°
B
90°
C
135°
117066

Consider a regular hexagon inscribed in circle C with radius r. Regular hexagons have six congruent sides and six congruent angles. In the figure, angle CAB measures 60°.

Answers:
What is m∠ACB? °:60
What is the length of segment AB?:r
What is the perimeter of the hexagon?:6r
The perimeter of the hexagon is the circumference of the circle.:slightly less than
The circumference of the circle is .:slightly greater than 6r

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