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MATH / Equilateral triangle DEF is inscribed in equilateral triangle ABC as shown with (ED)¯⊥(BC)¯. What is the ratio of the area of △DEF to the area of △ABC? [asy] import olympiad; impor… · Discussion

Discussing Equilateral triangle DEF is inscribed in equilateral triangle ABC as shown with (ED)¯⊥(BC)¯. What is the ratio of the area of △DEF to the area of △ABC? [asy] import olympiad; impor… · MATH

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