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Subjects>Math>Other Math

How many diagonals in a 15 gon?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

1/2*15*(15-3) = 90 diagonals.

Wiki User

∙ 13y ago

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Continue Learning about Other Math

How many diagonals are in a 11- gon?

There are 44 diagonals in an 11 sided undecagon

How many diagonals are there in a 30- Gon?

There are: 0.5*(302-(3*30)) = 405 diagonals

How many diagonals does a 16 gon has?

104 16x ((16-3)/2) =104

What polygon has 209 diagonals?

22-gon

How many diagonals does a 17-gon have?

A n sided figure has 1/2 n(n - 3) diagonals → a 17-gon has 1/2 x 17 x (17 - 3) = 1/2 x 17 x 14 = 119 diagonals

Related questions

How many diagonals in a 15-gon?

0.5*(152-45) = 90 diagonals

How many diagonals are in a 15-gon?

There are: 0.5*(15^2 -3*15) = 90 diagonals in a 15-agon polygon

How many diagonals are in a 15 -gon?

There are: 0.5*(15^2 -3*15) = 90 diagonals in a 15-agon polygon

How many diagonals are in a 24-gon?

252 diagonals

How many diagonals are in a 17-gon?

There are 119 diagonals.

How many diagonals does a 33-gon have?

It has 495 diagonals.

How many diagonals of a 12-gon have?

It has 54 diagonals

How many triangles are in a 15-gon?

fourteen. If you draw if diagonals from one vertex there are 14. fourteen. If you draw if diagonals from one vertex there are 14.

How many diagonals are in a 20-gon?

170

How many diagonals does the 13 gon?

78

How many diagonals are in a 11- gon?

There are 44 diagonals in an 11 sided undecagon

How many diagonals does a 20 gon has?

A 20 sided polygon has 170 diagonals

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