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3. In triangle ABC ,  AB=AC, ∠ABC = 72 and segment BD bisects ∠ABC with point D on side AC  If point E is on side  BC such that segment DE  is parallel to side AB and point F is on side AC such that segment EF is parallel to segment BD, how many isosceles triangles are in the figure shown?

 Jan 31, 2021
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I count 6 isosceles triangles.

 Jan 31, 2021

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