8. Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch: 20 feet. a. What is the length of each side of the base of Ira's pyramid? b. What is the area of the base of Ira's pyramid? Houghton Mifflin Harcourt Publishing Company c. What is the height of Ira's pyramid? d. Ira built his model using cross sections that were cut parallel to the base. What shape was each cross section? O​