Q: How many diagonals will a regular octagon have?

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An octagon has 16 diagonals.

None, if it is an irregular octagon.

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

8

0.5*(82-24) = 20 diagonals

Related questions

8 diagonals

It has 20 diagonals and is made up by 6 triangles

no

An octagon has 16 diagonals.

There are 20 diagonals

19 * * * * * The correct answer is 8*(8-3)/2 = 20

None, if it is an irregular octagon.

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

20

20

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

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