Question

5. A swimming pool is 50 m long, 38 m wide and 4 m deep. Find the cost of cementing its base and walls a
the rate of 38per m².
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Answer 1

Answer:

we know that curved surface area of a cuboid is 2h (l+b) and area of 1 side of a rectangle is b×l

so total cementing of swimming pool is 2h (l+b)+b×l

2×2.5 (50+30)+50×30

=>400+1500=1900sq/m

so costing is 27×1900=RS 51300

Step-by-step explanation:

hope it helps dear......