Construction - 5

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To construct angles of 75^o and 105^o

(i) Draw AB. Make any point O on it.

(ii) With O as centre, draw an arc which cuts AB at B.

(iii) With B as centre and same radius, cut an arc at Q and from Q with same radius, cut the arc at R.

(iv) Join OQ, OR. and

(v) Bisect by constructing angle bisector OC.

(vi)

(vii) since OC bisects

(viii)

(ix) Construct OK to bisect

(x) Then

(xii) Then