A circle has a circumference of 50.2450.24 units. What is the radius of the circle?

Question

asked Feb 25, 2020 178k views

1 Answer

Cecelia · Answer 1 · 2020-03-01T13:20:44+0000

The formula for circumference is 2 x PI x r

Using the circumference we can find the radius:

50.24 = 2 x PI x r

Multiply 2 by PI:

2 x 3.14 = 6.28

50.24 = 6.28 x r

Divide both sides by 6.28:

R = 50.24 / 6.28

R = 8

The radius is 8 units.