1. Warm Up Problem O Find the volume of the rectangular prism.

2. Volume of Triangular Prisms Lesson 10-2

3. Objectives O I can find the volume of a triangular prism. O Given the volume, I can find the missing dimension of a triangular prism.

4. Vocabulary O triangular prism – a prism that has triangular bases Notes V = Bh Volume = (area of base)(height)

5. Example 1 - Notes

6. Example 1 – Guided Practice O Find the volume of each triangular prism below.

7. Example 2 - Notes O A large skateboard ramp is shown. Find the volume of the triangular prism. O Find the area of the triangular base. O 10 x 7 = 70 O 70/2 = 35 O Multiply by the height: O 35 x 4 = 140ft³

8. Example 2 – Guided Practice O c. Find the volume of a triangular prism-shaped model with a base of 32 sq. cm and a height of 6 cm.

9. Example 3 - Notes

10. Example 3 – Guided Practice O Griffin bought a cheese wedge for his March Madness party. The cheese wedge has the dimensions shown. The volume of the cheese wedge is 54 cubic inches. What is the height of the cheese wedge?