Question

find the total surface area of closed cylinder drum if its diameter is 50cm height is 45cm(π=3.14)send me answer pic​

Answer 1

Step-by-step explanation:

2π r ( h+r)

2*22/7*25 (45+25)

2*22/7*25 (70)

2*22*25 (10)

11000cm²

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Answer 2

Step-by-step explanation:

Solution

Diameter of given cylinder=50cm

So, radius of cylinder=25cm

and, height of the cylinder=45cm

therefore, T.S.A of cylinder=2πr(h+r)

=2*3.14*25(45+25)

=6.28*25*70

=157*70

=10990cm2

=109.9m2

Therefore T.S.A of cylinder is 109.9m2.