Question

Using the formula C = 2, find the circumference of a circle with diameter of 20 inches. Round your answer to the nearest inch

Answer 1

Answer:62.8inches

Explanation:

Diameter=20 inches

π=3.14

Circumference=π x diameter

Circumference=3.14 x 20

Circumference=62.8inches

Answer 2

The circumference is approximately 314 inches.

Explanation:

3.14 x r^2

3.14 x 10^2

3.14 x 100

Circumference: 314