How many diagonals can be drawn from one corner of a polygon of 10 sides?

daer abhi,
Decagon (10 sides): n(n-3)/2 = 10(10-3)/2 = 10*7/2 = 70/2 = 35 diagonals. Icosagon (20 sides): n(n-3)/2 = 20(20-3)/2 = 20*17/2 = 340/2 = 170 diagonals. 96-gon (96 sides): 96(96-3)/2 = 96*93/2 = 8928/2 = 4464 diagonals.
cheers!!
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Dear Abhi

You can draw infinite diagonals

Cheers!!
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Decagon (10 sides): n(n-3)/2 = 10(10-3)/2 = 10*7/2 = 70/2 = 35 diagonals. Icosagon (20 sides): n(n-3)/2 = 20(20-3)/2 = 20*17/2 = 340/2 = 170 diagonals. 96-gon (96 sides): 96(96-3)/2 = 96*93/2 = 8928/2 = 4464 diagonals.
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Diagonals =n(n-3)/2 10(10-3)/2=100-30/2=70/2=35. So, 35 diagonals can be drawn on a polygon of 10 sides.
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