Question

5. A swimming pool is 50 m in length, 30 m in breadth and 2.5 m in depth. Find the cost
of cementing its floor and walls at the rate of 27 per square metre.
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Answer 1

Answer:

51300

Step-by-step explanation:

lateral surface area of cuboid= 2(l+b)h

Area of five sides,as roof is excluded

2(l+b)h + lb

=2(50+30)2.5 + 30×50

=400+1500

=1900

rate of cementing the floor is 27 per sq.m

=1900 x 27

=51300