In the given figure, what is the vertically opposite angle of ∠AOC?
∠EOB
∠DOB
Fill in the blanks :
In the figure :
∠AOC and ………… are vertically opposite angles.
In the figure (IMAGE)
(a) Is ∠1
adjacent to ∠2?
(b) Is ∠AOC adjacent to ∠AOE?
(c) Do ∠COE and ∠EOD from linear pair?
(d) Are ∠BOD and ∠DOAsupplementary?
(e) is ∠1 vertically opposite to ∠4?
(f) What is the vertically opposite angle of ∠5?
In the figure below, lines AB and CD intersect each other at point O. Angles (∠ AOD, ∠ COB) and (∠ AOC, ∠ BOD) are called ___.