In the adjoining figure, ABCD is a quadrilateral.
(i) How many pairs of adjacent sides are there? Name them.

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Solution

Adjacent sides is nothing but two sides of a quadrilateral having same end i.e. there are four pairs of adjacent sides.
They are $(A B, B C), (B C, C D), (C D, D A)$ and $(D A, A B)$

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Figure

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In the adjoining figure, ABCD is a quadrilateral.(i) How many pairs of adjacent sides are there? Name them.

Adjacent sides is nothing but two sides of a quadrilateral having same end i.e. there are four pairs of adjacent sides. They are (AB,BC),(BC,CD),(CD,DA) and (DA,AB)

In the adjoining figure, ABCD is a quadrilateral.
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Adjacent sides is nothing but two sides of a quadrilateral having same end i.e. there are four pairs of adjacent sides.
They are $(A B, B C), (B C, C D), (C D, D A)$ and $(D A, A B)$