Question:
The figure below is formed using 3 squares of different sizes. The area of the figure is 285 cm². The area of the shaded square is 64 cm². The length of the straight line AB is 27 cm. The length of each square is a whole number when measured in cm. Find the length of the smallest square.
Solution:
![P6 / Methodist Girls / 2020 / SA2 Prelims / Paper 1 – Q05 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/01/P6_Methodist_Girls_2020_SA2_Paper1_Q05-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)