The dimensions of a room are 8m * 6m * 3m. It has one door with the size of 1.5m*1m. Find the cost to paint the walls if it costs ₹10 per square m.
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Answer:
₹1025
Step-by-step explanation:
given
dimensions = 8×6×3
door =1.5×1
area of wall = csa - ar(door)
=2( lh + bh ) - 1.5
=2( 8*3 + 6*3 ) - 1.5
=2*3(8+6) - 1.5
=6×14 - 1.5
=104 - 1.5 = 102.5cm^2
cost of painting = 102.5 × 10 = ₹1025
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