a closed cylindrical tank of radius 7m and height 3m is made from a sheet of metal. how much seet is required?
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Answered by
11
to find the area of sheet required, we need to find the T.S.A.
T.S.A of cylinder=2πr(h+r)
2×22/7×7(7+3)
44×10
440 m×m of sheet is required
T.S.A of cylinder=2πr(h+r)
2×22/7×7(7+3)
44×10
440 m×m of sheet is required
Answered by
3
V=(pi×rsq×h)
=22/7×7×7×3
=22/7×147
=22×21
=462 m3
=22/7×7×7×3
=22/7×147
=22×21
=462 m3
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