Question

the length and breadth of a rectangle are X + 4 cm and 8 cm respectively write down expressions for the perimeter of the rectangle and the length of the side of a square with the same perimeter​

Answer 1

a) 2(x + 4) + 2(x) = 2x + 8 + 2x = 4x + 8
b) square root of 4x + 8