Question

if the area of a circle is 24.64 CM square then find its circumference

Answer 1

the circumference of the circle = 17.60

Answer 2

area of circle=πr²
24.64=22/7×r²
r²=7.84
r=√7.84cm
r=2.8cm²
circumference=2πr
=2×22/7×2.8
=17.6. cm. ans