Answer :

1. Now in order to make a triangle, draw a line segment AB = 5 cm.From point A, draw an arc at 6 cm. Draw an arc at 7 cm from point B intersecting the previous arc.

2. Join the point of intersection from A and B.

Hence, this gives the required triangle ABC

3. Dividing the base, draw a ray AX which is at an acute angle from AB

4. Plot seven points on AX such that:

AA_{1} = A_{1}A_{2} = A_{2}A_{3} = A_{3}A_{4} = A_{4}A_{5} = A_{5}A_{6} = A_{6}A_{7}.

5. Join A_{5} to B.

6. Draw a line from point A_{7}that is parallel to A_{5}B and joins AB’ (AB extended to AB’).

7. Draw a line B’C’ || BC.

Hence, triangle AB’C’ is the required triangle.

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