question_answer 1)

In the adjoining figure, name the following pairs of angles. (i) Obtuse vertically opposite angles                                   (ii) Adjacent complementary angles                                    (iii) Equal supplementary angles (iv) Unequal supplementary angles (v) Adjacent angles that do not form a linear pair.                     

Answer:

                (i) \[\angle AOD\] and\[\angle BOC\]                           (ii) \[\angle EOA\]and \[\angle AOB\] (iii) \[\angle BOE\]and \[\angle DOE\] (iv) \[\angle EOC\]and \[\angle EOA\] (v) \[\angle AOB\] and\[\angle AOE;\angle AOE\]and \[\angle EOD;\angle EOD\]and\[\angle DOC\].