Question:
A semicircle is drawn on a square grid.
(a) Measure and write down the length of the radius of the semicircle.
(b) Draw a rectangle ABCD such that the length of BC is equal to the length of the radius.
(c) Join BD and measure ∠ABD.
Solution:
![P6 / Rosyth / 2019 / SA2 / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Rosyth_2019_Prelims_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / SCGS / 2020 / SA2 Prelims / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_SCGS_2020_SA2_Paper2_Q04-Qns.jpg?resize=400%2C251&ssl=1)