Question

area of circuler field is 153 m^2 find the perimeter​

Answer 1

Answer:

Let the radius of the circle be r cm.

Area of the circle = πr2

or, 616 cm2 = 227 × r2

or, r2 = 616×722 cm2

or, r = 616×722−−−−−√ cm

= 28×7−−−−−√ cm

= 2×7×2×7−−−−−−−−−−−√ cm

= 14×14−−−−−−√ cm

= 14 cm

Therefore, radius of the circle = 14 cm.

Therefore, circumference of the circle = 2πr

= 2 × 227 × 14

= 2 × 22 × 2 cm

= 88 cm