Question

Find the radius of a discus woth a circumference 8.6 pi inches​

Answer 1

4.3π or 13.51 = r

Explanation:

C=2πr To find the circumference of a circle, you must have the formula

8.6π = 2πr Substitute the C for 8.6π

4.3π = r Divide both sides by 2π

13.51 = r Simplify 4.3π if needed