Question

John wants to paint a Wall of a Hall of dimensions 5m *4 m and has two Windows each 2 m long and 0.5 m wide each and a door of dimensions 2.5 X 1 meters find the area of the wall which is to be painted

Answer 1

Step-by-step explanation:

area of rectangle = lb

total area of wall =5×4=20m square

area of window = 2 ×0.5 =1m square

area of two window = 2m square

area of door = 2.5×1 =2.5m square

area of wall to be painted =20-(2+2.5) = 15.5m square.

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