Question

The length, breadth, and height of a room is 12 cm, 10 cm, 9 cm. Find the area of walls.

Answer 1

Since it is a room it would have 4 walls.

W1, W2, W3, W4

W1 = W3 = 12 x 9 = 108cmsq.

W2 = W4 = 10 x 9 = 90cmsq.