Answers for Unit 7 Lesson 9: Right Rectangular Prisms & Pyramids Math for 8th graders
1.C.b
2.B. They are square pyramids. They have 5 faces. The 4 lateral faces are triangles, and the 5th face is a square base. Each pyramid has 5 vertices and 8 edges. The 4 lateral faces meet at a single point, or apex.
3.C. 1,368.06 cm^2
4.B. 54 in.^2
5.A. 1,451.5 in.^2
6.520
7.504.93
8.14.25
9.D. 9.3 ft
10.32.4
11.6
12.60
13.75
14.A. 10,933.33 cm^3
15.C. 8,333.33 ft.^3
16. Sorry i can't help you on this one.
All the answers are correct and hopefully this helps.