Construct angle of given measurement using a protractor.

$110°$

Construct angle of given measurement using a protractor.

$138°$

 Construct a copy of $\angle PQR$ as shown in the figure below.

 Construct a copy of $\angle ABC$ as shown in the figure below.

Draw an angle which measures $105°$ and bisect it. 

Draw $\angle ABC = 81°$ and draw its bisector.

Draw $\angle PQR=125°$ and divide it into $4$ equal parts.

 Construct angles of the following measures using a ruler and a pair of compasses.

$30°$

 Construct angles of the following measures using a ruler and a pair of compasses.

$15°$