the base of a room is a square 8cm it's height is 5cm then the area of four walls is
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area of four walls
= 2(l+b)×h
=2×(8+8)×5
=2×16×5
=160
= 2(l+b)×h
=2×(8+8)×5
=2×16×5
=160
rosy36:
hi
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