Math, asked by Anonymous, 4 months ago

1-the circumference of base of a right circular cylinder is 220cm if the height of the cylinder is 20 cm find the total surface area of the cylinder

Answers

Answered by KushagraVerma2007
0

Answer:

12100cm²

Step-by-step explanation:

Circumference=2×pi×r=44r/7

44r/7=220 cm

r=220×7/44cm

r=35cm

Total Surface Area of a cylinder=2×pi×r(r+h)

We know,2×pi×r=220cm as given in the question.

Hence,T.S.A becomes 220cm(35cm+20cm)

=220cm(55cm)

=12100cm²

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