A closed cylindrical tank of radius 10 m and height 4 m is made from a sheet of metal. How much sheet of
metal is required? Take = 22/7
its urgent
first and correct answer will be given 6 points
Answers
Answered by
1
Answer:
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Step-by-step explanation:
Given:
Radius r=7m, height =3m
We need to find the total surface area of a cylinder
=2πr(r+h)
=2×
7
22
×7(7+3)=440 sq meter
So, 440 sq m sheet of metal is required.
Answered by
4
Answer:
Total surface area of the cylinder =2π×r(h+r)
=2× 22 /7 ×10×(10+4)
=440/7×14=880m
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