A circular copper wire of radius 7cm is bend to form a rectangle. If the breadth and the length of the rectangle are in the 4:7 respectively. What is the breadth of the rectangle?

Answer 1

let the sides be 4x and 7x

8x + 14x = 7
22x = 7
x = 7/22
then 4x = 4(7/22) = 14/11 cm