Math, asked by rajnidevi1987abc, 4 months ago

how much metal sheet is required to make an open cylindrical tank of radius 4.2 m and height 15 m

Answers

Answered by minnalatp

1

Answer:

451.44sq.m

Step-by-step explanation:

Radius=4.2m.

Height=15m.

Metal sheet required to make open tank=2πrh+πr×r

=πr(2h+r)

=22/7×42/10(2×15+4.2)

=13.2(30+4.2)

=13.2×34.2

451.44sq.m

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