Geometrical Constructions: Class 9: Angle 22.5°....

Geometrical Constructions:
Class 9:
Construct an angle of 22.5°:
Steps:
1. Draw an Ray of any length.
2. Steps are similar to 45°.
3. With centre X draw an arc and with centre w cut an arc ..keep it as U.
4. Join AU
5. Therefore UAB =22.5°