Math, asked by magabasmagabas, 7 months ago

Number of diagonals of a Decagon is​

Answers

Answered by simreensaini
3

Answer:

A decagon has (10 2) – 10 = 35 diagonals. Each pair of opposing sides has three diagonals which are parallel to them, so 5*3 = 15 of the diagonals are parallel to a side. Therefore 35-15 = 20 diagonals are not parallel to any side.

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