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How Many Diagonal Does of the Following Have a Triangle . - Mathematics

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प्रश्न

How many diagonal does of the following have A triangle .

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उत्तर

An n-sided convex polygon has  \[\frac{n(n - 3)}{2}\]  diagonals. 

 A triangle does not have any diagonal in it.

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अध्याय 15: Understanding Shapes-I (Polygons) - Exercise 15.1 [पृष्ठ ६]

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आरडी शर्मा Mathematics [English] Class 8
अध्याय 15 Understanding Shapes-I (Polygons)
Exercise 15.1 | Q 6.3 | पृष्ठ ६
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