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How many diagonals does a hexagon have? - Mathematics

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Question

How many diagonals does a hexagon have?

Options

  • 9

  • 8

  • 2

  • 6

MCQ

Solution

9

Explanation:

We know that, the number of diagonals in a polygon of n sides is `(n(n - 3))/2`

In hexagon, n = 6

∴ Number of diagonals in a hexagon = `(6(6 - 3))/2`

= `(6 xx 3)/2`

= 3 × 3

= 9

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Chapter 5: Understanding Quadrilaterals and Practical Geometry - Exercise [Page 147]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 5 Understanding Quadrilaterals and Practical Geometry
Exercise | Q 20 | Page 147

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