The four walls and the floor of a swimming pool are to be painted@ Rs. 12 per sq.m. If the length of the pool is 16m, breadth is 10m and depth is 4m, find the cost of painting
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Answer:
₹4416
Step-by-step explanation:
The surface area of a cuboid = 2(lb+bh+lh) ( h is the depth)
The area of the pool to be painted= 2(lb+bh+lh) - lb
= 2( 16×10 + 10×4 + 16×4 ) - 16×10 sq. m
= 2( 160 + 40 + 64 ) - 160 sq. m
= 2×264 - 160 sq.m
= 528 - 160 sq.m
= 368 sq.m
Now, the cost of painting= ₹(368×12)
= ₹ 4416
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