one wall of a hall is to be painted living a strip of 1.5m long all the four sides if the length is 6m and height is 5m find the area of the unpainted portion
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Answer:24m²
Step-by-step explanation:
Length = l = 6m
Height = h = 5m
Area=l*h
=5m*6m =30 m²
If 1.5 m is left on all four sides,
Length=6m-2*1.5m =3m
Height=5m-2*1.5m=2m
Area=3m*2m = 6 m²
Area of unpainted region =30m²-6m²
=24m²
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