How do you find the number of diagonals in a polygon?
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The number of diagonals in a polygon that can be drawn from any vertex in a polygon is three less than the number of sides. To find the total number of diagonals in a polygon, multiply the number of diagonals per vertex (n - 3) by the number of vertices, n, and divide by 2 (otherwise each diagonal is counted twice).
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Answer:
Step-by-step explanation:
Use the formula n(n-3)/2,
where n is the no of sides of the polygon.
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