​Please answer this
                                    BASIC GEOMETRICAL IDEAS

1. In the adjoining figure, ABCD is a quadrilateral.

      a) How many pairs of adjacent sides are there ? Name them.

       b) ​How many pairs of opposite sides are there ? Name them.​

       c) How many pairs of adjacent angles are there ? Name them.​

       d) How many pairs of opposite angles are there ? Name them.​

       e) How many pairs of diagonal are there ? Name them.​
                                 
 

Dear student
a) There are 4 Pairs of adjacent sides: AD,DCDC,BCBC,ABAB,ADb) There are 2 Pair of opposite sidesAB,CDAD,BCc)There are 4 Pairs of adjacent angles∠A,∠D∠D,∠C∠C,∠B∠B,∠Ad)There are 2 Pairs of opposite angles∠A,∠C∠D,∠Be)There are 1 Pair of diagonalsAC,BD
Regards

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