Question:
Four identical right-angled triangles are arranged to form a square PQRS as shown below. The total area of the parts that are shaded is 1056 m². The length of PA and AQ are in the ratio 3 : 11.
(a) Find the area of the square ABCD.
(b) Find the length of RQ. Give your answer correct to 1 decimal place.
Solution:
![P6 / Catholic High / 2018 / SA1 / Paper 2 – Q11 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA1_2018_Catholic_High_Paper2_Q11-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q22 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper1_Q22-Qns.jpg?resize=400%2C260&ssl=1)
Thanks a lot
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