Class 9 Maths Constructions Construct an angle

Construction 3: To construct an angle of 600 at the initial point of a given ray.

Steps of Construction:

  1. Taking A as centre and some radius, draw an arc of a circle, which intersects AB, say at a point D.
  2. Taking D as centre and with the same radius as before, draw an arc intersecting the previously drawn arc, say at a point E.
  3. Draw the ray AC passing through E. Then ∠ CAB is the required angle of 60°.

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