Math, asked by mangaldadwal8013, 5 months ago

The diameter of a closed cylinder is 21 cm and height is 10 cm. Find the total surface area of the cylinder.
2. If the ratio of radii
of their rod surface

Answers

Answered by jayeshdawani

3

Answer:

Given: Radius=7cm,

Height=10cm

Total surface area=2πr(h+r)sq.units

=2× 7

22×7(10+7)

=44×17=748sq.cm

Step-by-step explanation:

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