Question

13. The four walls and the bottom of a swimming pool are to be cemented at the rate ₹550 per m².

Answer 1

Answer:

₹220000 and 750m³

Step-by-step explanation:

Answer 2

here the answer are as follows

i) the cost of painting is Rs 137500

ii) the capacity of the swimming pool is 750 cube meter

Step-by-step explanation:

i) to find out the area of four wall of a swimming that means we have to find out the lateral surface area

lateral surface area = perimeter X height ( here depth and height are same)

= 2X(L+B)XH

here, L = length B = Breadth and H = height

= 2X(15+10)X5 sq m

=10X25 sq m

= 250 sq m

the total cost of painting = (Rs 550 X 250)

= Rs 137500

ii) now to find out the capacity of the swimming pool we need to find out the volume

since its a cuboid the volume will be L X B X H

= 15 X 10 X5 cube m

=750 cube m