Changing a Scale

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 cm.

Revolt · Accepted Answer

10.8

Question 3

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

Revolt · Accepted Answer

33.9

Question 4

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 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

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

Revolt · Accepted Answer

8

Question 7

3✔ 7/47/27

Revolt · Accepted Answer

✔ 7/4; The radius is cm.: 7/4; The circumference in terms of π is π cm.: 7/2; Using 3.14 for π, the approximate circumference of the circle is cm.: 11.0

Question 8

21 ft66 ft120 ft132 ft

Revolt · Accepted Answer

132 ft

Question 9

A bicycle wheel has a circumference of 62 inches. Find the diameter of the wheel. If necessary, round to the tenths place.

Revolt · Accepted Answer

19.7 inches

Question 10

What was her error?

Revolt · Accepted Answer

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

Changing a Scale Answers

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