Question:
The figure on the left, not drawn to scale, is a triangular piece of paper ABC. It is folded along the dotted line FD to obtain the figure on the right such that AB is parallel to EF. AEDC is a straight line. ∠ABF = 70°. Find ∠AEF.
Solution:
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q24 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper1_Q24-Qns.jpg?resize=400%2C260&ssl=1)
