M L Aggarwal Solutions for Chapter: Lines and Angles, Exercise 6: Chapter Test

All linear pairs are supplementary angles whereas all supplementary angles are not linear pairs.

Two adjacent angles are equal. Is it necessary that each of these angles will be a right angle? Justify your answer.

In the adjoining figure, $OQ$ bisects $\angle AOB$. $OP$ is a ray opposite to ray $OQ$. Prove that $\angle POA=\angle POB$.

In the figure given below, $l\parallel m$. Find the value of $x$.

In the figure given below, $AB\parallel CD$. Find the value of $x$.

Prove that through a given point, we can draw only one perpendicular to a given line.

In the following figure, find the values of $x$ and $y$.

In the following figure, find the values of $x$ and $y$.