Draw any line segment $AB$ and take a point $P$ outside it. Construct a perpendicular on $AB$ passing through $P$.

Using a ruler and compass, construct angles of the following measures.

$30°$

Using a ruler and compass, construct angles of the following measures.

${45}^o$

Using a ruler and compass, construct angles of the following measures.

${60}^o$

Using a ruler and compass, construct angles of the following measures.

${90}^o$

Draw an angle of ${130}^o$ with the help of a protractor and bisect it using a compass.

Draw a line segment $\mathrm{AB}=9 \mathrm{cm}$. Using a compass, find the point $C$ such that $AC=BC$.

Draw an angle $\angle PQR={110}^o$ with the help of a protractor. Now draw $\angle ABC=\angle PQR$ using a ruler and compass.

Draw a line $AB$ and a point $C$ on it. Draw a line $CD$ perpendicular to $AB$.