Question

Question

The figure is three-quarters of a circle.

What is the approximate perimeter of the figure?

Use 3.14 for π
π
.

A circle with one fourth of the circle removed. The radius of the circle is 2 in.
Responses

3.14 in.
3.14 in.

9.42 in.
9.42 in.

12.56 in.
12.56 in.

13.42 in.

Answer 1

13.42 in.

Explanation:

circumference of circle = 2πr

circumference = 2 × 3.14 × 2 in.

circumference = 12.56 in.

3/4 of the circle: 3/4 of circumference = 0.75 × 12.56 in. = 9.42 in.

Add 2 radii: 2 in. + 2 in. + 9.42 in. = 13.42 in.