2019 5marks Maris Stella P6 Paper2 SA1

P6 / Maris Stella / 2019 / SA1 / Paper 2 – Q16 [5 marks]

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:

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