NCERT Section

Draw any line segment $\overline{\mathrm{AB}}$. Mark any point $\mathrm{M}$ on it. Through $\mathrm{M}$, draw a perpendicular to $\overline{\mathrm{AB}}$. (use ruler and compasses)

Draw any line segment $\overline{\mathrm{PQ}}$. Take any point $\mathrm{R}$ not on it. Through $\mathrm{R}$, draw a perpendicular to $\overline{\mathrm{PQ}}$. (use ruler and set-square)

Construct with ruler and compasses angles of the given measure $60°$.

Construct with ruler and compasses angles of the given measure $30°$.

Construct with ruler and compasses angles of the given measure $90°$.

Construct with ruler and compasses, angle of the following measure. $120°$

Construct with ruler and compasses angles of the given measure $45°$.

Draw an angle of $70°$. Make a copy of it using only a straight edge and compasses.