if the inner curved surface of the well is to be plastered at a rate of rs.50 per m^2 , find the cost of plastering it. DIAMETER=2m AND DEPTH=20m
Answers
Answered by
5
d = 2m
r = 1m
h = 20m
CSA = 2πrh
= 2 X 22 X 1 X 20 / 7
= 880/7
Cost = 0.50 X 880/ 7
= 220/7
= Rs 62.85
Answered by
0
hey mate....
Step-by-step explanation:
d=2m
r=1
h=20m
2*22*1*20/7
880/7
cost=50*880/7
220/7
62.85
Similar questions