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 liner pair

Answer»

(i) Obtuse vertically opposite angles

∠AOD and ∠BOC

(ii) Adjacent complementary angles

∠BOA and ∠AOE

(iii) Equal supplementary angles

(∠BOE and ∠EOD

(iv) Unequal supplementary angles

∠AOE and ∠EOC

(v) Adjacent angles that do not form a liner pair

∠AOB and ∠AOE, ∠AOE and ∠EOD and ∠EOD and ∠COD



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