Math, asked by akshita46167, 11 months ago

how much iron is needed to make a rod of length 90 cm and diameter 1.4 CM

Answers

Answered by megha200515

1

a piece of iron of length 90cm and of diameter 1.4cm will be needed.

Answered by manjil19

0

Answer:

lateral surface area of the rod .

i.e 2× pie× r×h.

2×22/7×1.4/2(radius)×90

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