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Q.

The number of diagonals in a triangle is

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a

2

b

1

c

0

d

3

answer is A.

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Detailed Solution

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A diagonal is a line segment connecting two non-consecutive vertices of a polygon.

A triangle has 3 sides and 3 vertices and each vertex are adjacent to the other.

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However, in a triangle, there are no pairs of non-consecutive vertices.

So, a triangle cannot have a diagonal.

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