Question

the formula for finding the circumference of a circle with radius,r, is circumference= 2πr. What is the formula for the circumference of a circle with a radius r/2?

Answer 1

πr

Explanation:

radius = r/2

so circumference = 2π(r/2)

= 2πr/2

= πr

Answer 2

The answer is B which is C=2πr

Explanation:

i just did it