Question: 3.43: t V Let ABCD be a rectangle, meaning that all four of its angles are right angles. Construct equilateral triangles ABE and BC F

3.43: t V Let ABCD be a rectangle, meaning that all four of its angles are right angles. Construct equilateral triangles ABE and BC F externally on sides AB and BC' as shown below. Prove that triangle DEF is equilateral. A D B C Hint Hint Hint Type your solution, notes and/or work here. Show Solution
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