2026 NORTHBROOKS P1 Q22

2026 NORTHBROOKS P1 Q22

Secondary 4
5 marks

\(ABCD\) is a square.

\(E\) and \(F\) are midpoints of \(BC\) and \(CD\) respectively.

  1. Prove that triangle \(ADE\) is congruent to triangle \(ABF\).[3]
  2. Hence, find angle \(EAF\).[2]

Solution:

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Answer:(a) SAS using the diagram’s midpoint positions. (b) \(36.9^\circ\).

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