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Diano4ka-milaya [45]
3 years ago
7

Quall o numero de diagonais de um poligono com 15 lados

Mathematics
1 answer:
Romashka [77]3 years ago
7 0

Answer:

90 diagonais.

Step-by-step explanation:

n(n-3)/2=15(15-3)/2=15*6=90

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