Question

Find the perimeter of a square whose area is equal to the area of a rectangguler of lenght 13.6 and bredth 3.4

Answer 1

area of a rectangle of 13.6 by 3.4 = 13.6*3.4 = 46.24

area of the rectangle of 13.6 by 3.4 = area of a square

area of square = 46.24

a² = 46.24
a = ✓46.24
a = 6.8

so perimeter of square of side 6.8 = 4*6.8 = 27.2