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Subjects>Math>Math & Arithmetic

How many diagonals does a 21gon have?

Updated: 12/11/2022

Wiki User

∙ 7y ago

Best Answer

A 21-agon has 189 diagonals

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∙ 7y ago

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Continue Learning about Math & Arithmetic

How many diagonals in hexagon have?

It has 9 diagonals

How many diagonals have a rectangle?

It has 2 diagonals

How many diagonals are in a 17-gon?

There are 119 diagonals.

How many diagonals are there in circle?

There are infinite diagonals in a circle.

How many diagonals can be drawn in a hexagon?

9 diagonals

Related questions

How many diagonals does triacontakaihexagon has?

It has 1,345,890 diagonals

How many diagonals does a undecagon have?

A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.

How many diagonals in nonagon?

24 diagonals

How many diagonals does a quadrilateral?

2 diagonals

How many diagonals does a square have?

It has 2 Diagonals!!!

How many diagonals are in a octagon?

There are 20 diagonals

How many diagonals do octagons have?

20 diagonals

How many diagonals has a nonagon have?

It has 27 diagonals

how many diagonals have haptagon?

14 diagonals

How many diagonals in hexagon have?

It has 9 diagonals

How many diagonals have a rectangle?

It has 2 diagonals

How many diagonals from a vertex of a heptagon?

how many diagonals from a vertex a heptagon have

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How many diagonals does a 21gon have?

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