Math, asked by anaswaraanish12, 10 months ago

How to find the diagonal of a decagon.

explanation needed...​

Answers

Answered by mohitemahesh1980
1

Answer:

A decagon has (10 2) - 10 = 35 diagonals.

Step-by-step explanation:

Each pair of opposing sides has three diagonal which are parallel to them, so 5 ×3 = 15 of the diagonal are parallel to side. Therefore, 35-15=20 diagonals are not parallel to any side.

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