Math, asked by hatim5400, 1 year ago

A swimming pool is 20m long , 15m breadth , and 4m depth . Find the cost of cementing it's floor and walls at the rate of 12ruppes per sq. Meter

Answers

Answered by ManshulJain
6
LSA of cuboid = 2(l+b)×h
= 2(20+15)4
= 2(35)4
= 2×140
= 280 m^2

Area of rectangle = l×b
= 20×15
= 300 m^2

Area of 4 walls and floor = 300+280
= 580 m^2

Cost of cementing = 580×12
= Rs 6960

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