Question

What is the diameter of a circle with circumference of 28.26 units

Answer 1

hola mate.....

circumference of cirle =2πr

28.26=2πr

28.26x7/22x1/2=r

28.26x7/44=r

197.82/44=r

4.49=r

diameter =2r

2(4.49)

8.98 is ur answer

Answer 2

2πr=circumference

=>2r=circumference/π

=>diameter=28.26/3.14=9