Draw any line segment PQ. Without measuring  , construct a copy of
, construct a copy of  .
.
Steps of Construction-
1. Draw a line segment PQ.

2. Keep the needle of compass on P and other end of it on Q.
3. Draw point A. Put the needle of compass on A and draw an arc, naming it as B. Join A and B.
4. Hence, AB is the copy of PQ.
