How many diagonals can be drawn from a vertex of an octagon?

6

7

5

8

Question

Mathematics

Hana Graves

3 February, 16:12

How many diagonals can be drawn from a vertex of an octagon?

6

7

5

8

+5

Answers (1)

Know the Answer?

Cheyanne · Answer 1

Thus for each of the 8 vertices you can draw 5 diagonals and hence you have constructed 5 8 = 40 diagonals. But you have constructed each diagonal twice, once from each of its ends. Thus there are 20 diagonals in a regular octagon.

How many diagonals can be drawn from a vertex of an octagon?6758

How many diagonals can be drawn from a vertex of an octagon?

6

7

5

8