How many diagonals can be drawn from one vertex of the octagon?
| November 20, 2020 | education
5 diagonals can be drawn from one vertex of a convex octagon.
Look .. you have a total of EIGHT corners, from one of them we will draw diagonals, so we cannot count it, there are SEVEN .. now we must take into account the fact that we do not draw diagonals from the corner to two adjacent corners, because they will coincide with the sides of the polygon. So, from the remaining SEVEN we subtract TWO more, there are only FIVE diagonals left.
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