1. Area of Triangles and Trapezoids

2. Area of Triangles bh
A = 2
(base x height), Divided by 2

3. The base and the height will always
make a right angle!

4. h (b1 + b2) A = 2 Area of Trapezoids
(Base 1 + Base 2), Divided by 2, Times the Height

5. The bases are ALWAYS PARALLEL!

6. The height will ALWAYS make a right
angle with the bases!

7. Find the area. 8
120 36 24 60 6 12

8. Find the area.
120 36 24 60 12 6 8

9. Find the area. 4 20 30 40 60 5 8

10. Find the area.
135
67.5 63
31.5 15 7 9

11. Find the area. 7 42 63 84 39 6 14

12. Find the area. 35 70 40 80 8 8 7 10

13. Find the area.
14.8
46.86
47.32
63.7
103.6 7 7
5.2
3.4

14. Find the area.
62.5
100
200
125 25 8 5 8 5

15. Find the area. 10 74
49.58
61.79
57.94 8
7.4 8
6.7

16. Find the area.
178
224
308
154

17. Find the area.
176 88
102 85

18. Find the area.
198
153
255
306

19. Find the area.
42.5 30
36.5 42