1. 5 Minute Check
Complete on the back of your homework. Find the perimeter of each figure. 1. A(3,3),B(3,5),C(7,5),D(7,3) 2. P(3,0),R(6,0),Q(6,7),S(3,7) Graph and find the area of each figure. 3. K(-2,2),L(3,2),M(2,-2),N(-3,-2) 4. Q(-2,4),R(0,-2),S(-4,-2)

2. Find the perimeter of each figure. 1. A(3,3),B(3,5),C(7,5),D(7,3)
5 Minute Check
Find the perimeter of each figure. 1. A(3,3),B(3,5),C(7,5),D(7,3)

3. Find the perimeter of each figure. 1. A(3,3),B(3,5),C(7,5),D(7,3)
5 Minute Check
Find the perimeter of each figure.
1. A(3,3),B(3,5),C(7,5),D(7,3)
AB = I3- 5I = I-2I = 2
BC = I3 – 7I = I -4I = 4
CD = I5 – 3I = I 2I = 2
DA = I7– 3I = I4I = 4
=12u

4. Find the perimeter of each figure. 2. P(3,0),R(6,0),Q(6,7),S(3,7)
5 Minute Check
Find the perimeter of each figure. 2. P(3,0),R(6,0),Q(6,7),S(3,7)

5. Find the perimeter of each figure. 2. P(3,0),R(6,0),Q(6,7),S(3,7)
5 Minute Check
Find the perimeter of each figure.
2. P(3,0),R(6,0),Q(6,7),S(3,7)
PR = I3- 6I = I-3I = 3
RQ = I0 – 7I = I -7I = 7
QS = I6 – 3I = I 3I = 3
SP = I7– 0I = I7I = 7
=20u

6. 5 Minute Check
Graph and find the area of each figure. 3. K(-2,2),L(3,2),M(2,-2),N(-3,-2)

7. 5 Minute Check
Graph and find the area of each figure. 3. K(-2,2),L(3,2),M(2,-2),N(-3,-2) A = 5 x 4 = 20u²

8. Graph and find the area of each figure. 4. Q(-2,4),R(0,-2),S(-4,-2)
5 Minute Check
Graph and find the area of each figure. 4. Q(-2,4),R(0,-2),S(-4,-2)

9. 5 Minute Check
Graph and find the area of each figure. 4. Q(-2,4),R(0,-2),S(-4,-2) A = 4 x 6 ÷ 2 = 12u²

10. Flashcards

11. Chapter 9.6 Area of Composite Figures
Tuesday, Feb 11
Chapter 9.6 Area of Composite Figures

12. Area of Composite Figures
Objective: To find the area of composite figures.

13. Area of Composite Figures
At the end of this lesson you should be able to answer the following question. How do you decompose figures to find the area?

14. Area of Composite Figures
A composite figure is made up of two or more two-dimensional figures.

15. Area of Composite Figures
Can we find the exact area of the polygon below?

16. Area of Composite Figures
Can we find the exact area of the polygon below? What if we divided the polygon into two figures we know? What is the bottom figure?

17. Area of Composite Figures
Can we find the exact area of the polygon below? What if we divided the polygon into two figures we know? What is the bottom figure? A rectangle. What is the top figure?

18. Area of Composite Figures
Can we find the exact area of the polygon below? What if we divided the polygon into two figures we know? What is the bottom figure? A rectangle. What is the top figure? A trapezoid. What is the area of each figure?

19. Area of Composite Figures
Can we find the exact area of the polygon below? What is the area of each figure? A = bh = 5 · 2 = 10u² A = ℎ(𝑏₁+𝑏₂) 2 = 2(4+3) 2 = 2(7) 2 = 14 2 = 7u² The area of the figure is = 17u²

20. Area of Composite Figures
Find the area of the figure below. Can we divide the figure into two known figures?

21. Area of Composite Figures
Find the area of the figure below. Can we divide the figure into two known figures? What is the area of each figure?

22. Area of Composite Figures
Find the area of the figure below. Can we divide the figure into two known figures? A = 10 · 6 A = 4·4 2 = 60in² = 16 2 = 8in² The area of the original figure is 60in² + 8in² = 68in²

23. Area of Composite Figures
Find the area of the figure. Do this on your own.

24. Area of Composite Figures
Find the area of the figure. Rectangle Area A = 12 · 4 = 48ft² Triangle Area A = 4 ·6 2 = 24 2 = 12ft² 48ft² + 12ft² = 60ft²

25. Area of Composite Figures
Find the area of the figure. Do this on your own.

26. Area of Composite Figures
Find the area of the figure. Rectangle Area A = 7 · 7 = 49m² Trapezoid Area A = 3(7+5) 2 = 3(12) 2 = 36 2 =18m² 49m² + 18m² = 67m²

27. Area of Composite Figures
Find the area of the figure. To find the area of overlapping figures, add the areas of the figures if they were not overlapped and then subtract the overlapped area.

28. Area of Composite Figures
Find the area of the figure. What is the area of the square?

29. Area of Composite Figures
Find the area of the figure. What is the area of the square? A = 12 ·12 = 144cm²

30. Area of Composite Figures
Find the area of the figure. What is the area of the square? A = 12 ·12 =144cm² rectangle?

31. Area of Composite Figures
Find the area of the figure. What is the area of the square? A = 12 ·12 =144cm² rectangle? A = 12 ·15 = 180cm² What is the area of both figures?

32. Area of Composite Figures
Find the area of the figure. What is the area of the square? A = 12 ·12 =144cm² rectangle? A = 12 ·15 = 180cm² What is the area of both figures? 144cm²+180cm²=324cm²

33. Area of Composite Figures
Find the area of the figure. What is the area of the overlapped area? What is the area of both figures? 144cm²+180cm²=324cm²

34. Area of Composite Figures
Find the area of the figure. What is the area of the overlapped area? A = 7 ·6 =42cm² What is the area of both figures? 144cm²+180cm²=324cm² What is the total area?

35. Area of Composite Figures
Find the area of the figure. What is the area of the overlapped area? A = 7 ·6 =42cm² What is the area of both figures? 144cm²+180cm²=324cm² What is the total area? 324cm² - 42cm² = 282cm²

36. Area of Composite Figures
Find the area of the figure. Do this on your own.

37. Area of Composite Figures
Find the area of the figure. Area of the top rectangle A = 6 ·7 =42ft² Area of the bottom rectangle. A = 6 ·8 = 48ft² Overlapped area. A = 5 ·5 = 25ft² Total area is 42ft² + 48ft² - 25ft² = 65ft²

38. Polygons on the Coordinate Plane
Agenda Notes Homework– Homework Practice 9-6 Due Wednesday, Feb 12 Chapter 9 Test–Thursday, Feb 13