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Question

A right circular cylinder has a radius of 14 cm and height 42 cm with both upper and lower circular areas closed. The total surface area of the cylinder is equal to ____.


A

4928 cm2

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B

4828 cm2

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C

4938 cm2

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D

4988 cm2

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Solution

The correct option is A

4928 cm2


Given: r = 14 cm ; h = 42 cm

Total Surface Area of a Cylinder
=Curved surface area+2×Base Area

=2πrh+2πr2

=2πr(h+r)

=2×227×14×(42+14)

=2×22×2×56

=4928 cm2

Hence, the total surface area of the cylinder =4928 cm2


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