Question

Draw any line segment PQ bar. Without measuring PQ bar, construct a copy of PQ bar.

Answer 1

Steps of construction:

(i) Given PQ bar whose length is not known.

(ii) Fix the compasses pointer on P and the pencil end on Q. The opening of the instrument now gives the length of PQ bar.

(iii) Draw any line 'l ' Choose a point A on 'l ' Without changing the compasses setting, place the pointer on A.

(iv) Draw an arc that cuts 'l ' at a point, say B. Now AB bar is a copy of PQ bar.