Question

A wall of a room is of dimensions 5 m × 4 m. It has a window of dimensions 1.5 m × 1m and a door of dimensions 2.25 m × 1m. Find the area of the wall which is to be painted.
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Answer 1

A wall of a room is of dimesions 5m × 4m = 20

It has a window of dimensions 1.5m × 1m = 1.5

Door with dimensions 2.25m × 1. = 2.25

So

20 - 1.5 - 2.25 = 16.25

∴ area which is to be painted is 16.25

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Answer 2

Answer:

A wall of a room is of dimensions 5m ×4m =20 m.

It has a window of dimensions 1.5m×1m =1.5 m.

Door with dimensions 2.25m × 1 m= 2.25m .

so

20- 1.5 - 2.25 = 16.25

are which is to be painted = 16.25

hope it help.......