answer:

Exercises in Lines and Angles

Question 14

Q14)

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

Solution 14:

i): ∠BOC and ∠AOD are obtuse vertically opposite angles.

ii): ∠AOB and ∠AOE are adjacent complementary angles.

iii): ∠EOB and ∠EOD are equal supplementary angles.

iv): ∠EOA and ∠EOC are unequal supplementary agnles.

v): ∠AOB and ∠AOE, ∠AOE and ∠EOD, ∠EOD and ∠COD are adjacent angles but do not form a linear pair

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