1. 5 Minute Check Find the area. Complete on the back of your homework. 1. 2. 3. 4.

2. 5 Minute Check Find the area. Complete on the back of your homework. 1.

3. 5 Minute Check

4. Find the area. Complete on the back of your homework. 2.

5. 5 Minute Check Find the area. Complete on the back of your homework. 2. A = 10ft · 5ft = 50ft²

6. 5 Minute Check Find the area. Complete on the back of your homework. 3.

7. 5 Minute Check Find the area. Complete on the back of your homework. 3. A = 11m · 7m = 77m²

8. 5 Minute Check Find the area. Complete on the back of your homework. 4.

9. 5 Minute Check Find the area. Complete on the back of your homework. 4. A = 2.6cm · 5.1cm = 13.26cm²

10. Flashcards

11. Monday, Feb 3 Chapter 9.2 Area of Triangles

12. Objective: To find area of triangles.

13. Area of Triangles At the end of this lesson you should be able to answer the following question. How is finding the area of a triangle related to to finding the area of a parallelogram?

14. Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? 4in 6in

15. Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in · 4in A = 24in² 6in

16. Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in · 4in A = 24in² 6in If we cut the rectangle in half to make two triangles, what is the area of each triangle?

17. Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in · 4in A = 24in² 6in If we cut the rectangle in half to make two triangles, what is the area of each triangle? 24in² ÷ 2 halves = 12in²

18. Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in · 4in A = 24in² 6in 24in² ÷ 2 halves = 12in² Can you write formula that can determine the area of a triangle?

19. Area of Triangles

20. Congruent figures are figures that have the same shape and size.

21. Area of Triangles Congruent figures are figures that have the same shape and size. Dividing a parallelogram from corner to corner makes two congruent triangles.

22. Area of Triangles Find the area of the triangle. Do this on your own.

23. Area of Triangles

24. Find the area of the triangle. Do this on your own.

25. Area of Triangles

26. Find the area of the triangle. Do this on your own.

27. Area of Triangles

28. Consuela made a triangular box as shown. What is the area of the top of the box? Do this on your own.

29. Area of Triangles

30. What is the area of the white section in the flag? Do this on Your own.

31. Area of Triangles

32. Agenda Notes Homework– Homework Practice 9-2 Due Thursday, Feb 6 Mid-Chapter 9 Quiz –Friday, Feb 7