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IMAS 2025–2026 — Middle Primary — Round 2 Question 11

IMAS · IMAS 2025–2026 — Middle Primary — Round 2

Question 11

As shown in the diagram below, points $A,B,C,D,E$ and $F$ are grid points marked on the $4\times4$ square. What is the sum, in degrees, of $\angle EAF+\angle EBF+\angle ECF+\angle EDF$?

Question illustration