Question:
The figure below is made up of 2 triangles. The ratio of the area of the small triangle to the area of the big triangle is 7 : 19. The ratio of the shaded area to the area of the small triangle is 3 : 7. The area of the unshaded part of the figure is 240 cm². Find the area of the whole figure.
Solution:
![P6 / Henry Park / 2020 / SA2 Prelims / Paper 1 – Q09 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Henry_Park_Paper1_Q09-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Henry Park / 2021 / SA2 / Paper 1 – Q01 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/06/P6_SA2_2021_Henry_Park_Paper1_Q01-Qns.jpg?resize=400%2C260&ssl=1)