Q. 22

Mark the correct alternative in the following:

The number of diagonals that can be drawn by joining the vertices of an octagon is

A. 20

B. 28

C. 8

D. 16

Answer :

An octagon has 8 vertices.


The number of diagonals of a polygon is given by . (Where n = number of vertices)


Number of diagonals of an octagon =


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