1. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

2. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

3. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

4. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

5. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

6. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

7. 9 cm Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 15 cm 27 cm

8. Strategy to solve complex problems Two right triangles are superimposed on one another. One of them is displaced by 9 cm, find the area of the shaded portion of the triangle. 9 cm 15 cm 27 cm

9. Strategy to solve complex problems 9 cm 15 cm 27 cm

10. Strategy to solve complex problems 9 cm 15 cm 27 cm ?

11. Strategy to solve complex problems 9 cm 15 cm 27 cm 18:27 = ?:15 18 27 = ? 15 18 cm ?

12. Strategy to solve complex problems 9 cm 15 cm 27 cm 18:27 = 10:15 18 27 = 10 15 18 cm 10

13. Strategy to solve complex problems 9 cm 15 cm 27 cm 18 cm 10 Area: 15 27 2 cm 2

14. Strategy to solve complex problems 9 cm 15 cm 27 cm 18 cm 10 Area: 10 18 2 cm 2

15. Strategy to solve complex problems 9 cm 15 cm 27 cm 18 cm 10 Area: cm 2 10 18 2 - 15 27 2

16. Strategy to solve complex problems 9 cm 15 cm 27 cm 18 cm 10 Area: cm 2 9 (15 3-10 2) 2

17. Strategy to solve complex problems 9 cm 15 cm 27 cm 18 cm 10 Area: cm 2 9 (15 3-10 2) 2 225 2 = cm 2