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How we can construct isosceles triangle?
If three sides are given .
eg:- Construct triangle ABC if AB = 5cm , BC = 7cm and AC = 7cm.

Draw a line AB = 5 cm
From A , with radius 7cm draw an arc .
Draw another arc from B with radius 7 cm.
Mark the intersecting point of two arcs as C.
Join AC and BC.

ABC is the required triangle.


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