Find the cost of plastering the curved
surface of a well 8 m deep and 21 m in
diameter at the rate of 20 per m².
Answers
Answered by
17
Answer:
formula of curved surface area of cylinder= 2πrh
Step-by-step explanation:
therefore CSA=2×22/7×21×8
=2×22×3×8
=1056 sq.cm
therefore price=1056×20
=Rs.21120/-
Answered by
4
formula of curved surface area of cylinder = 2πrh
therefore CSA = 2×22/7×21×8
1056 sq.cm
The cost of per plastering = 1056 sq.cm
1056×20 = 21120/-
I hope this answer is help you
mark on brainlist
Similar questions