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Rhombus and equilateral triangles (Posted on 2021-01-06) Difficulty: 2 of 5
Let ABCD be a rhombus where ∠BAD > 60°.

On side AB construct equilateral △ABE and △ABE' where E is in the interior of ∠BAD.

On side AD construct equilateral △ABF and △ABF' where F is in the interior of ∠BAD.

1) Prove points {C,E,F'} are collinear as well as {C,E',F}

2) Prove △CEF and △CE'F' are equilateral.

No Solution Yet Submitted by Jer    
Rating: 2.0000 (1 votes)

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