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AIMO 2021 Senior secondary — Preliminary (Open Trial 1) Question 11

AIMO · AIMO 2021 Senior secondary — Preliminary (Open Trial 1)

Question 11

E is the midpoint of CD in square ABCD. BE meets diagonal AC at F. If quadrilateral AFED has area 45, find the area of the square.

Question illustration
  1. 100
  2. 108
  3. 120
  4. 135