(iii)
15∘
Steps to construct an angle of
15∘
Step 1: Draw a ray PQ, taking P a the centre and with some radius, draw an arc of a circle which intersects PQ at R.
Step 2: Taking R as the centre and with the same radius as before, draw an arc intersecting the previously drawn arc point S.
Step 3: Taking R and S as the centre and with radius more than
12RS, draw arcs to intersect each other at T. Join PT.
Step 4: Let PT intersect the arc at U. Taking U and R as the centre and with radius more than
12RU, draw an arc to intersect each other at V.
Step 5: Join PV which is the required ray that makes an angle
15∘ with the ray PQ.
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/67986/content_5_1.png)