Question:
Two identical triangles overlapped each other to form six smaller identical equilateral triangles as shown below. The area of the shaded part is 78 cm². Find the area of 1 unshaded equilateral triangle.
Solution:
Empowering Students and Parents with Solutions
![P6 / Nan Hua / 2020 / SA2 Prelims / Paper 1 – Q17 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/02/P6_SA2_2020_Nan_Hua_Paper1_Q17-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Red Swastika / 2020 / SA2 Prelims / Paper 2 – Q01 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/11/P6_Red_Swastika_2020_SA2_Paper2_Q01-Qns.jpg?resize=400%2C201&ssl=1)