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Question

In which of the following ways can four people hold each other's hands to form a quadrilateral?

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Solution

The correct option is **C**

Two pairs of people stand facing each other

A figure formed by joining four points in an order is called a quadrilateral.

Consider the analogy of four people as four points.

In the first case, there are four collinear points which cannot form a quadrilateral.

In the second case, there are three collinear points which can form a triangle, but not a quadrilateral.

In the third case, the two pair of people face each other and thus form a quadrilateral.

In the fourth case, the two pair of people face exactly opposite but hold each others hands from behind and side and thus can for a quadrilateral.

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