1. Triangle xy area Problem Solvers Handbook Ex 3.5 Q7

2. (The circle is tangent to the three sides of the triangle.) (not to scale)

4. (Pythagoras)

6. (square and two kites) (found previously)

7. Supplementary: What is the radius of the circle touching the three sides of the triangle?

8. Supplementary: What is the radius of the circle touching the three sides of the triangle?

9. Supplementary: What is the radius of the circle touching the three sides of the triangle? But what about the other answer?

10. But why did algebra bring up this answer?

13. Resources

14. (The circle is tangent to the three sides of the triangle.) SIC_11 What’s the area of the triangle? (not to scale)

15. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

16. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

17. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

18. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

19. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

20. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

21. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

22. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

23. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

24. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

25. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

26. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

27. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

28. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11

29. What’s the area of the triangle? (not to scale) (The circle is tangent to the three sides of the triangle.) SIC_11