Alka Tuli and Rajesh Hassija Solutions for Chapter: Lines and Angles, Exercise 1: Exercise

Two complementary angles are in the ratio of $2:1$. Find the measure of the angles.

In the given figure, name all pairs of adjacent angles.
   

If the given adjacent angles are complementary, then the value of $x$ is _____$°$

In the following figure, if $x=k°$, then find the value of $k$.

The measure of $b$ in the following figure is _____$°$
 

The measure of $b$ in the following figure is _____$°$

Write the value of $x$ (without the degree symbol) in the following figure.

Find the value of $x$ in the following figure.