Question

1. The width of a rectangular cardboard is 24 cm and its area is 960 cm². Find the

perimeter of the cardboard.​

Answer 1

128 cm

Explanation:

if the length = a

a × 24 = 960

so a = 960 ÷24 =40

The perimeter = (the width + the length) × 2 = (24 +40 )×2 = 64 ×2 =128