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If the diameter of the base of right ci...

If the diameter of the base of right circular cone is equal to 8 cm and its slant height is 5 cm, then the area of its axial section is :

A

`9 cm^2`

B

`12 cm^2`

C

`20 cm^2`

D

`40 cm^2`

Text Solution

Verified by Experts

The correct Answer is:
B
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