Question

the area of a square is 100 cm.sq find the circumference of circle inside

Answer 1

hey here,

area of square is 100cm²

then, the of circle = πr²

100 = 22/7 * r²

r² = 100 * 7 / 22

r = √31.81

circumference = 2 * 22/7 * √ 31.81

= 35.458. @