Question

a swimming pool is 15 metre in length and breadth and 2 metre in depth 2 meter find the cost of floor and walls at the rate of rupees 15 per metre square​

Answer 1

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Maths

Mensuration

Introduction to Mensuration

A swimming pool is 20 m in ...

MATHS

A swimming pool is 20 m in length, 15 m in breadth, and 4 m in depth. Find the cost of corner its floor and walls at the rate of Rs.12 per square meter.

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ANSWER

Given that,

l=20m

b=15m

d=4m (d-h)

We know that,

Area for coner its floor2d(l+b)+lb

=2(4)(20+15)+(20×15)

=8×35+300

=280+300

=580m

2

Rate of coner its floor Rs.12/m

2

∴ Total cost of coner its floor =580×12

Rs.6960

Then,

We get Rs.6960