Answer :

Steps of Construction:

1.First, we draw a triangle ABC of given dimensions.

2.Draw a line segment BC of length 6cm.

3.From B, make an angle of 60° and draw a ray BX from B.

4. Now taking B as center and radius of 5cm(length of AB), draw an arc on the ray. The point is A.

5. Join AC.

6. Now we have to make a triangle which is 5/7 times of this triangle.

7. Draw a ray BZ making an acute angle with the line BC.Make 7 equal arcs starting from B then B1 and so on till B7.

8. Join B7C. Draw a line from B5 parallel to B7C cutting BC at C’.

9. Draw another line from C’ parallel to CA cutting AB at A’.

10. A’BC’is our required triangle.

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