A frustum of a right circular cone is of height 16 cm with radii of its ends as 8 cm and 20 cm has lateral surface area

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Q 3072423336.     A frustum of a right circular cone is of height 16 cm with radii of its ends as 8 cm and 20 cm has lateral surface area equal to
A

`540 \pi cm^{2}`

B

`580 \pi cm^{2}`

C

`560 \pi cm^{2}`

D

`680 \pi cm^{2}`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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