1. 11-2 Surface Areas of Prisms and Cylinders Objective – Find the surface area of prisms and cylinders.

2. Types of Prisms Pentagonal Prism Triangular Prism Lateral Faces Lateral Edges Bases Oblique Prism h Right Prism h

3. Key Concept(s): Lateral Area and Surface Area of a Prism Lateral Area Base Perimeter Height Surface Area Lateral Area Area of the Base(s) Base Perimeter h Base Area

4. #1 Finding the Surface Area of a Prism Find the surface area of the triangular prism. 12 cm 5 cm 6 cm P = 16

5. Key Concept(s): Lateral Area and Surface Area of a Cylinder Lateral Area RadiusHeight Surface Area Lateral Area Base Area Radius h Base Area

6. #2 Finding the Surface Area of a Cylinder 10 cm 5 cm Find the surface area of a cylinder with height 10 cm and radius 5 cm in terms of pi.

7. #3 Finding the Surface Area of a Cylinder 9 ft 6 ft Find the surface area of a cylinder with radius 6 ft and height 9 ft in terms of pi.

8. Example: Find the surface area of a cylinder with radius 3 ft and height 6 ft. S.A. = 2πrh + 2B 7 ft 5 ft

9. Example: Find the surface area of the triangular prism. S.A. = ph + 2B 7 cm 5 cm 4 cm 10 cm