1. Surface Area of Triangular Prisms

2. A triangular prism has 5 faces. FRONT BACK RIGHT LEFT BOTTOM

3. A triangular prism has 5 faces. FRONT BACK RIGHT LEFT BOTTOM

4. In order to find the surface area, find the area of each face. Then sum all of the areas. FRONT BACK RIGHT LEFT BOTTOM

5. Practice Time!

6. 1) Find the surface area of the triangular prism. 10 ft 20 ft 8 ft 5 ft

7. 1) Find the surface area of the triangular prism. 10 ft 20 ft 10 ft 8 ft 20 ft 5 ft

8. 1) Find the surface area of the triangular prism. 10 ft 20 ft 10 ft 8 ft 20 ft 5 ft 40 sq ft 100 sq ft 200 sq ft

9. 40 + 40 + 100 + 100 + 200 = 480 sq ft 10 ft 20 ft 10 ft 8 ft 20 ft 5 ft 40 sq ft 100 sq ft 200 sq ft

10. 2) Find the surface area of the triangular prism. 12 ft 16 ft 5 ft 8 ft

11. 2) Find the surface area of the triangular prism. 12 ft 16 ft 12 ft 5 ft 16 ft 8 ft

12. 2) Find the surface area of the triangular prism. 12 ft 16 ft 12 ft 5 ft 16 ft 8 ft 30 sq ft 128 sq ft 192 sq ft

13. 30 + 30 + 128 + 128 + 192 = 508 sq ft 12 ft 16 ft 12 ft 5 ft 16 ft 8 ft 30 sq ft 128 sq ft 192 sq ft

14. 3) Find the surface area of the triangular prism. 15 ft 22 ft 8 ft 10 ft

15. 3) Find the surface area of the triangular prism. 15 ft 22 ft 15 ft 8 ft 22 ft 10 ft

16. 3) Find the surface area of the triangular prism. 15 ft 22 ft 15 ft 8 ft 22 ft 10 ft 60 sq ft 220 sq ft 330 sq ft

17. 60 + 60 + 220 + 220 + 330 = 890 sq ft 15 ft 22 ft 15 ft 8 ft 22 ft 10 ft 60 sq ft 220 sq ft 330 sq ft

18. 4) Find the surface area of the triangular prism. 2.5 ft 8 ft 2 ft 4 ft

19. 4) Find the surface area of the triangular prism. 2.5 ft 8 ft 2.5 ft 2 ft 8 ft 4 ft

20. 4) Find the surface area of the triangular prism. 2.5 ft 8 ft 2.5 ft 2 ft 8 ft 4 ft 2.5 sq ft 32 sq ft 20 sq ft

21. 2.5 + 2.5 + 32 + 32 + 20 = 89 sq ft 2.5 ft 8 ft 2.5 ft 2 ft 8 ft 4 ft 2.5 sq ft 32 sq ft 20 sq ft