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How many diagonals are there in a 30- Gon?

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Anonymous

∙ 13y ago
Updated: 4/28/2022

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

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∙ 13y ago
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How many diagonals are in a 11- gon?

There are 44 diagonals in an 11 sided undecagon


How many diagonals in a 15 gon?

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


How many diagonals does a 16 gon has?

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


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


What polygon has 209 diagonals?

22-gon

Related Questions

How many diagnals for a 30-gon?

405 diagonals


How many diagonals are in a 24-gon?

252 diagonals


How many diagonals does a 33-gon have?

It has 495 diagonals.


How many diagonals are in a 17-gon?

There are 119 diagonals.


How many diagonals of a 12-gon have?

It has 54 diagonals


How many diagonals are in a 20-gon?

170


How many diagonals does the 13 gon?

78


How many diagonals does a 20 gon has?

A 20 sided polygon has 170 diagonals


How many diagonals in 25-gon?

There are 275 diagonals in a 25 sided polygon


How many diagonals in a 15-gon?

0.5*(152-45) = 90 diagonals


How many diagonals are in a 39-gon?

39*36/2 = 702 diagonals.


How many diagonals are in a 11- gon?

There are 44 diagonals in an 11 sided undecagon

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