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The base of a right prism is a triangle with sides 20 cm, 21 cm and 29

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| The base of a right prism is a triangle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm2, then its lateral surface area (in cm2) is :

A. 2556

B. 2484

C. 2448

D. 2520

Right Answer is: D

SOLUTION

Volume of pyramid = Area of base × Height

A.T.Q.

H = 36, Perimeter = 20+21+29 = 70

Lateral Surface Area = Perimeter × Height

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    1. The base of a right prism is a triangle with sides 20 cm, 21 cm and 29

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