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Q.

The number of faces of octagonal pyramid are


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a

12

b

9

c

6

d

4 

answer is B.

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Detailed Solution

It is given an octagonal pyramid.
An octagonal pyramid has nine faces where eight are triangular faces and one face is a regular octagon.
So, the number of faces in an octagonal pyramid = 9.
Therefore, the correct option is 2.
 
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