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Total surface area of a right circular cylinder

The curved su...

Question

The curved surface area of a cylindrical glass is 50 sq. cm. If its base is of 20 sq. cm, total surface area of the glass is ____ .

A

90 sq. cm

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B

70 sq. cm

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C

80 sq. cm

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D

55 sq. cm

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Solution

The correct option is B 70 sq. cm
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