Question

Your grandmother is teaching you how to make homemade pie. The pie pan has a diameter of 9 inches.

A: If she ask you to cut a strip of pie crust long enough to go around the outside of the pan, how long does it need to be?

B: If another pie pan is 8 inches across the diameter, how long does that piece of crust need to be?

Answer 1

A: ≈ 28.26 inches

B: ≈ 25.12 inches

Explanation:

To find the circumference of a circle, the outside distance, you simply multiply the diameter by π, or 3.14....

A:

9 * 3.14... ≈ 28.26 inches

B:

8 * 3.14... ≈ 25.12 inches