Question

a circullar wire having radius 56cm cut and bent to from a rectangle .the sides of the rectangle are in the ratio of 8.7.what is the lenght of the smaller side of the rectangle

Answer 1

area of circle =πr^2
=22/7×(56)^2
=9856cm^2
let sides of rectangle be 8x and 7x
area of rectangle=area of circle
9856=8x×7x
9856=56x
x=9856/56
x=176
7x=7×176
=1232 cm