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Subject :IMO    Class : Class 7

Find the sum of the number of diagonals drawn from one vertex of a polygon of 13 sides and the number of diagonals drawn from the adjacent vertex of that vertex of the same polygon.

A11
B26
C22
D19


the answer should be 20 as from each vertex there should be n-3 or 10 diagonals so from 2 vertices there should be 20 diagonals

Ans 1:

Class : Class 8
it should be 20 because the formula for number of diagonals from a vertices is n-3, so for one vertice is 10 diagonals so two is gonna be 20

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
THE ANSWER SHOULD BE 20.

Ans 4:

Class : Class 7
If the answer is 22 then the polygon should be 14 sided.

Ans 5:

Class : Class 8
answer should be 20

Ans 6:

Class : Class 8

Ans 7:

Class : Class 8

Ans 8:

Class : Class 8
The answer should be 20

Ans 9:

Class : Class 9
ANSWER MUST BE 20 SINCE FORMULA IS N-3 SO FOR ONE VERTICE IT IS 10 SO TWO WILL BE 20

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