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The whole surface area of a pyramid whos...

The whole surface area of a pyramid whose base is a regular polygon is `340 cm^(2)` and area of its base is `100 cm^(2)`. Area of each lateral face is `30 cm^(2)`. Then the number of lateral faces is:

A

8

B

9

C

7

D

10

Text Solution

Verified by Experts

The correct Answer is:
A
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