Steps of Construction:
1. A t point E, draw line EF.


2. With E as centre, draw an arc of any suitable radius, to cut the amis of the angle at C and D.
3. With Q as a centre, draw the arc of the same size as drawn for C and D. Let this arc cuts line QR at point T.
4. In your compasses, take the distance equal to the distance between C and D; and then with T as a centre, draw an arc which cuts the earlier arc at S.
5. Join QS and produce up to a suitable point R ∠PQR, so obtained, is the angle equal to the given ∠DEE