1.

To construct an angle of 60^(@) at the initial point of a given ray.

Answer»

Solution :Steps of CONSTRUCTION :
1. Draw a ray `AB` of some length.
2. TAKING `A` as initial point draw an arc with `A` as CENTRE taking any radius which intersects `AB` at point `D`.
3. Taking `D` as centre and with the same radius as before draw an arc which intersect the previous arc at `E`.
4. Draw the ray `AC` passing through `E`. `angleCAB` is the required angle.


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