Finding Unknown Angle Measures

Question 1

Which statements are true about the components of a circle? Check all that apply.

Revolt · Accepted Answer

The radius is half the length of the diameter.; The circumference is the perimeter of a circle.; To find the circumference, multiply by the diameter.

Question 2

Question 2

Revolt · Accepted Answer

7/2

Question 3

Question 3

Revolt · Accepted Answer

11.0

Question 4

The radius is cm. The circumference in terms of π is π cm. Using 3.14 for π, the approximate circumference of the circle is cm.

Revolt · Accepted Answer

7/4; Selection 1: 7/4; Selection 2: 7/2; Selection 3: 11.0

Question 5

Kevin needs to run 320 meters a day for his training program. He plans on running around the high school track shown. If he runs around the track once, will he meet his daily goal?

Revolt · Accepted Answer

No, he will still need to run 50 more meters.

Question 6

The diameter is cm. The circumference in terms of is cm. Using 3.14 for , the approximate circumference of the circle is cm.

Revolt · Accepted Answer

10.8; Selection 1: 10.8; Selection 2: 10.8; Selection 3: 33.9

Question 7

Choose which statements are true about . Check all that apply.

Revolt · Accepted Answer

is approximately 3.14.; represents the ratio of the circumference to the diameter.; is approximately

Question 8

The circumference of a circle is 16 ft.The radius is ft.

Revolt · Accepted Answer

8

Question 9

Describe what is and explain how it is used in finding the circumference of a circle.

Revolt · Accepted Answer

Pies approximately 3.14 or 22/7 Pi is the ratio of the circumference to the diameter and the ratio can be rearranged to find the circumference by multiplying times the

Question 10

21 ft66 ft120 ft132 ft

Revolt · Accepted Answer

132 ft

Finding Unknown Angle Measures Answers

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