Question

2. It is required to make a closed cylindrical tank of height 1 mand base diameter 140 cm
from a metal sheet. How many square metres of the sheet are required for the same?
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Answer 1

Answer:8.8m²

1. Step-by-step explanation:

how many metres required=csa of cylinder

csa of cylinder=2 $\pi$ rh

2x22/7x140x100  (1m =100cm)

88000cm² to m²

(1m²=10000cm²)

88000/10000

8.8m²

Answer 2

hope it's help u..............