1. How many faces are there in a tetrahedron? (1 pt.)

1. Math Manipulatives: “Platonic Solids” And “Euler’s Formula” ___ / 10 pts. Directions: Type in your name(s) and today’s date in the “footer” (View => Header and Footer). Then, press the “F5” key to open this file as a “slide show”. Click on the red arrow below to open the link to the website. To edit the yellow boxes, click on the “Esc” key and replace the text in the yellow boxes bytyping in your own answers. 1. How many faces are there in a tetrahedron? (1 pt.) 2. How many vertices are there in a tetrahedron? (1 pt.) 3. How many edges are there in a tetrahedron? (1 pt.) 4. Show how you would use “Euler’s Formula” for a tetrahedron. (2 pts.) 5. In your own words, what does Euler’s Formula represent? (2 pts.) 6. What shape is used for the sides of an “icosahedron”? (1 pt.) 7. How many sides are there in an “icosahedron”? (1 pt.) 8. Which “Platonic Solid” is made up of pentagons? (1 pt.) [Type your answer here.] [Type your answer here.] [Type your answer here.] [Show Euler’s formula with values from a tetrahedron for vertices, edges, and faces.] NLTF Conference, West Monroe High School, March 21, 2009 Presenter: Mike Beutner, beutner@ulm.edu [Type your clear and complete sentence here.] [Type your answer here.] [Type your answer here.] [Type your answer here.] http://nlvm.usu.edu/en/nav/frames_asid_128_g_2_t_3.html?open=instructions&from=category_g_2_t_3.html FirstName LastName, FirstName LastName, FirstName LastName, Platonic Solids And Euler's Formula, ThisMonth ThisDay, ThisYear