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 / ACS / 2019 / SA1 / Paper 2 – Q15 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/03/P6_ACS_2019_SA1_Paper2_Q15-Qns.jpg?resize=400%2C196&ssl=1)
![P6 / Temasek / 2019 / SA2 Prelims / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2019_Temasek_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)