Question

find the radius of a circle whose circumference is 176 CM

Answer 1

radius of the circle is 28.01cm

Answer 2

Hi ,

Let the radius of the circle = r

Perimeter ( P ) = 2πr ----( 1 )

Perimeter = 176 cm ----( 2 ) [ given ]

( 1 ) = ( 2 )

2πr = 176 cm

2 × ( 22/7 ) × r = 176

r = (176) × ( 7/22) × ( 1/2)

r = ( 176 × 7 × 1 ) / ( 22 × 2 )

After cancellation

r = 28 cm

Therefore,

Radius of the circle = r = 28cm

I hope this helps you