Circumference

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

The circumference in terms of is 5.43.14✔ 10.816.2cm.

Revolt · Accepted Answer

10.8

Question 3

Using 3.14 for , the approximate circumference of the circle is 10.816.932.4✔ 33.9 cm.

Revolt · Accepted Answer

33.9

Question 4

The diameter is 3.15.4✔ 10.816.2 cm.

Revolt · Accepted Answer

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

Question 5

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 6

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 7

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 8

21 ft66 ft120 ft132 ft

Revolt · Accepted Answer

132 ft

Question 9

What was her error?

Revolt · Accepted Answer

She forgot to multiply the radius by 2 in the formula.

Question 10

Check all that you included in your response

Revolt · Accepted Answer

Pi is approximately 3.14, or 22/7.; Pi is the ratio of circumference to diameter.; The ratio can be rearranged to find circumference by multiplying pi times diameter.

Circumference Answers

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