Question

the diagonals formed in Octane are : a)9 b)16 c)20 d) 24 ​

Answer 1

Answer:

20

Number of verticies of octagon =8

So umber of lines that can be drawn using 8 points =

8

C

2

=

(8−6)!2!

8!

=28

Number of diagonals = Total number of lines − total number of sides of octagon=28−8=20

Answer 2

Answer:

20

Step-by-step explanation:

Hope it helps.......