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 / ACS (Junior) / 2021 / SA2 Prelims / Paper 1 – Q30 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_ACS_Junior_Paper1_Q30-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nanyang / 2019 / SA2 / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nanyang_2019_Prelims_Paper2_Q05-Qns.jpg?resize=400%2C260&ssl=1)
Thanks a lot
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