1. LESSON 12.4 Volumes of Prisms and Cylinders

2. Volume The number of cubic units contained in its interior. (u 3 ) Volume of a Prism Demonstration

3. Example 1: A box is 2 units long, 6 units wide, and 3 units high. What is the volume of the box?

4. Example 2: Find the volume of the right prism.

5. Clicker Problem Find the volume of a right hexagonal prism with a base area of 24 square inches and a height of 10 inches. Send your answer in numeric form.

6. Cylinders Volume of a Cylinder Demonstration

7. Example 3: Find the volume of the right cylinder.

8. Example 4: Use the measurements given to find the value of x. a.b.

9. Clicker Problem A right triangular prism has base edges of 5 cm, 12 cm, and 13 cm. Its volume is 222 cubic centimeters. What is the height? a. 7.4 cm b. 3.7 cm c. 30 cm

10. Group Practice With your group, please go to the website for volume of prisms and work through the problems regarding finding the volume of prisms. Repeat with volume of cylinders. Volume of Prisms: (3 problems) http://www.learner.org/interactives/geometry/area_volume.html Volume of Cylinders: (3 problems) http://www.learner.org/interactives/geometry/area_volume2.html

11. Homework Pg. 746 – 747 #10 – 18, 20, 22, 24, 28, 30, 32