54. We want to make a closed cylindrical storage tank of height 2 m and base diameter 210 cm from a metal sheet. How many square metres of the sheet are required for the purpose? 22
Answers
Answered by
7
h= 2m
r= 1.05m
area of cylinder= 2πr(r+h)
= 2×22/7×1.05(2+1.05)
= 44×0.15(2+1.05)
=44× (0.30+0.1575)
=44×0.4575
=
20.13cm²
Answered by
0
Step-by-step explanation:
h= 2m
r= 1.05m
area of cylinder= 2πr(r+h)
= 2×22/7×1.05(2+1.05)
= 44×0.15(2+1.05)
=44× (0.30+0.1575)
=44×0.4575
=20.13cm²
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