Sides, vertices and diagonals

Last updated at August 10, 2026 by

Let it take an example of a polygon.

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Here, points A, B, C, D, E and F, are the vertices of the polygon.

AB, BC, CD, DE, EF and FA are the sides of the polygon.

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Diagonals of a polygon

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Diagonal is the line joining any two vertices which are not adjacent.

Sides, vertices and diagonals - Part 2

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Transcript

Diagonals of a polygon Diagonal is the line joining any two vertices which are not adjacent. (𝐴𝐢) Μ…,(𝐴𝐷) Μ…,(𝐴𝐸) Μ… (𝐡𝐷) Μ…,(𝐡𝐸) Μ…,(𝐡𝐹) Μ… (𝐢𝐴) Μ…,(𝐢𝐹) Μ…,(𝐢𝐸) Μ… (𝐷𝐡) Μ…,(𝐷𝐴) Μ…,(𝐷𝐹) Μ… (𝐸𝐴) Μ…,(𝐸𝐡) Μ…,(𝐸𝐢) Μ… (𝐹𝐡) Μ…,(𝐹𝐢) Μ…,(𝐹𝐷) Μ… So, the diagonals are (𝐴𝐢) Μ…,(𝐴𝐷) Μ…,(𝐴𝐸) Μ… , (𝐡𝐷) Μ…,(𝐡𝐸) Μ…,(𝐡𝐹) Μ… , (𝐢𝐹) Μ…,(𝐢𝐸) Μ… ,(𝐷𝐹) Μ…

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