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 / ACS / 2019 / SA2 / Paper 2 – Q15 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/03/P6_ACS_2019_Prelims_Paper2_Q15-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Tao Nan / 2019 / SA1 / Paper 2 – Q17 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Tao_Nan_2019_SA1_Paper2_Q17-Qns.jpg?resize=400%2C260&ssl=1)