The circumference of is circle is 50.24 cm. Find it's radius?

1 Answer
Mar 15, 2018

The circumference of a circle is given by the equation

"circumference"=2pir

Plug in everything you have:

50.24=2pir

Solve:

50/(2pi)=r

r~~7.96 (rounded)

r~~7.96 "cm"

Happy pi day!