P6 / Temasek / 2020 / SA2 Prelims / Paper 2 – Q14 [4 marks]

Question:

John has a rectangular piece of paper ABCDEF as shown in Figure 1. He folds corner C such that it touches E as shown in Figure 2. Next, he folds BD such that B touches F as shown in Figure 3.
(a) Find ∠d.
(b) Find ∠z.

Solution: