Question

Find the area of four walls of room (Assume that there are no door and window )if its length is 12m. Breadth is10m. and height is 7.5m.

Answer 1

Heya!

length=12 m

breadth=10 m

height=7.5 m

Now,

Area of four wall = 2 (l+b)h

= 2 (12+10)*7.5

= 2 * 22 * 7.5

= 330 m^2

Hope it helps u.

Answer 2

Area of the wall = length×breath×height
therefore
area = 12m × 10m × 7.5 m
= 900cu.m
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