4. 3. If the length, breadth, and depth of a swimming pool
are 20 m, 10 m, 45 m, then cost of cementing its floor
and walls at Rs. 25 per sq.m is
Answers
Answered by
1
Total area to be cemented is given by
= LSA of the pool + base area
= 2h(l+b) + l x b
= 2x45(20+10) + 20x10
= 90 x 30 + 200
= 2700 + 200
= 2900 m²
Cost = 25/m² x 2900 m²
= Rs. 72500
Similar questions