Draw ∠POQ of measure 75° and find its line of symmetry.
Steps of Construction-
1. Draw a line l and mark a point O on it.
2. Place the pointer of the compasses at O and draw an arc of any radius which intersects the line l at A.
3. Taking same radius, with centre A, cut the previous arc at B.
4. Join OB, then ∠BOA = 60°.
5. Taking same radius, with centre B, cut the previous arc at C.
6. Draw bisector of ∠BOC. The angle is of 90°. Mark it at D. Thus, ∠DOA = 90°
7. Draw OP as bisector of ∠DOB.
8. Thus, ∠POA = 75°