Aman painted a Wall of length 5 m and breadth for m now the door is 2 metre and 1 metre wide and does not have to be painted how much area has to be painted ??
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length of the wall = 5m
breath of the wall = 2m
Area of the wall = l×b
= 5m×2m
= 10m2
lenth of the door =2m
breadth of the door = 1m
Area of the door = l×b
= 2m × 1m
= 2m2
Area to be painted
Area of the wall - Area of the door
= 10m2-2m2
= 8m2
There fore, 8m2 of area must be painted.
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