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Q: How many diagonals does an regular octagon have?

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8 diagonals

16 diagonals* * * * *5. To all vertices except itself and one each on either side.

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

A regular octagon has 8 sides.

People have counted 8 or 4 diagonals. If there was four, they might be missing other diagonals. 8 is the proper answer. If you look at other websites, they say 8 [most webs] . To my opinion, it's 8.

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4 diagonals

8 diagonals

It has 20 diagonals and is made up by 6 triangles

no

An octagon has 16 diagonals.

There are 20 diagonals

20

20

None, if it is an irregular octagon.

there are 5, 6, or 7 diagonals in a pentagon

Sides: 8 Diagonals : 20

An octagon has four (4) diagonals, each connecting two opposite vertices.

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