Question

A square wall whose side is 20cm
(a) Whitewashing the wall
(b) Price of white washing the wall, if the cost of white washing per sq cm is AED 5

Answer 1

Answer:

1. white washing wall = area of wall = 20² = 20×20= 400cm²
2. cost of whitewashing= area of wall×₹5 = 400×₹5 = ₹2000

hope it helps.