Question

con D. 8. The length and breadth of a rectangle are 40 cm and 10 em respuntively. Find the perimeter of a square of area equal to that of the rectange..
PLZ GUYS SOLVE THIS QUESTION AND I WILL MARK YOU BRAINLIST


THE ANSWER IS 80 cm ​

Answer 1

Area of Rectangle = lb

40*10 = 400 cm²

Let the side of square be x

x² = 400

x = 20 cm

Perimeter of Square = 4*side

4*20 = 80cm