Question

the area of circle 15400m2 find its circumference ? explain step by step ​

Answer 1

Answer:

area of circle = pie r^2

15400 = 22/7 × r^2

700 = 1/7 × r^2

4900 = r^2

r = 70

circumference of circle = 2pie r

= 2×22/7×70

= 440 cm^2