Question

the circumfence of a circle is 62.8 cm Find the radius of the circle( hint r=22/7​

Answer 1

Answer:

circumference of a circle is given by 2πr where r is radius of circle

given,

circumference = 62.8 cm

2πr = 62.8

r = 62.8/2π

= 62.8*7/(2*22)

= 109.9/11

= 9.99 cm