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MYTS 2018 - Grade 7 - Round 2 Question 4

MYTS · MYTS 2018 - Grade 7 - Round 2

Question 4

ABC is right-angled at A. Points F,D lie on BC such that angle ACB=2 angle BAF and angle BAD=3 angle BAF. On the bisector of angle ACB choose E inside triangle ABC with AE=AD. Prove that AEF is equilateral.

Question illustration