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il63 [147K]
3 years ago
7

Select the choice which shows all of the diagonals in this polygon and tells how many there are.

Mathematics
2 answers:
Leona [35]3 years ago
6 0

Answer:

Answer C

Step-by-step explanation:

If the polygon has n sides, then the number of diagonals the polygon has is

(n - 3)*n/2

So for a seven sided figure the number of diagonals would be

(7 - 3)(7)/2 = 4*7/2 = 28/2 = 14

ruslelena [56]3 years ago
3 0
The answer would be c
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