Question

A closed cylindrical tank of radius 7m and height 3 m is made from a sheet of metal . how much sheet of metal is required?

Answer 1

Answer:

for required sheet of metal you want find its total surface area.

This is your answer.

Answer 2

Answer:

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440 meter square

Step-by-step explanation:

area of     closed cylendre  = Curved Surface Area of Cylinder + 2(Area of Circle)

2πrh+   2 (πr square )

2πr ( r+h)

here

π = 22\7

radius -- 7 m

hieght  - 3M

Substituting the values in the Formula, we get,

2*22\7*7 ( 7+3)

44*10

440 CM SQAURE

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