Question

For a swimming pool, I = 25m, b = 20m and depth(h) = 2m. Find the cost of
plastering its walls at the rate of Rs 50 per squaremetre.​

Answer 1

Answer:

Step-by-step explanation: L= 25m

B= 20m ,D = 2m

Surface area = 2( bd+ dl)

= 2( 20×2+2×25)

=2(40+50)

=2(90)

=180m²

Cost of plastering 1m²= 50rs

Cost of plastering 180m²= 180 × 50

= 9000rs

Answer 2

Step-by-step explanation:

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