How many diagonals does each of the following have? (a) A convex quadrilateral (b) A regular hexagon (c) A triangle

(a) A convex quadrilateral has two diagonals. Here, AC and BD are two diagonals.
(b) A regular hexagon has 9 diagonals. Here, diagonals are AD, AE, BD, BE, FC, FB, AC, EC and FD.
(c) A triangle has no diagonal.

Class 8 Maths Chapter 3 Exercise 3.1 Solution in Video

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