Advertisements
Advertisements
Question
In the following figure, write, if any, (i) each pair of vertically opposite angles, and (ii) each linear pair.
Advertisements
Solution
Vertically opposite angles are the angles, opposite to each other when two lines cross, A linear pair is a pair of adjacent angles whose non-common sides are opposite rays.
Following are vertically opposite angles and linear pair in the above figure:
| Figure | Vertically opposite angles | Linear pair |
|
∠1, ∠3; ∠2, ∠4; ∠5, ∠7; ∠6, ∠8 | ∠1, ∠2; ∠1, ∠4; ∠4, ∠3; ∠3, ∠2; ∠5, ∠8; ∠8, ∠7; ∠7, ∠6, ∠6, ∠5 |
APPEARS IN
RELATED QUESTIONS
If the three angles at a point are in the ratio 1 : 4 : 7, find the value of each angle?
In the following figure, ∠ROS is a right angle and ∠POR and ∠QOS are in the ratio 1 : 5. Then, ∠QOS measures ______.
In the following figure, lines PQ and ST intersect at O. If ∠POR = 90° and x : y = 3 : 2, then z is equal to ______.
In the following figure, a = 40°. The value of b is ______.
In the following figure, PQ || RS and a : b = 3 : 2. Then, f is equal to ______.
Two angles making a linear pair are always supplementary.
