Question

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Answer 1

$\huge\orange{ \mid{ \underline{ \overline{ \tt n-3}} \mid}}∣$

option (d) is correct

Step-by-step explanation:

Since vertex is formed by joining two sidesDiagonal is line segment joining the two opposite vertexSo, the number of diagonal formed by one vertex =n−3

For a convex n-sided polygon, there are n vertices, and from each vertex you can draw n-3 diagonals, so the total number of diagonals that can be drawn is n(n-3).