# 6th-8th Grade Geometry: Polyhedrons & Geometric Solids Chapter Exam

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### Page 1

#### Question 1 1. Which of the following is in the shape of a cylinder?

#### Question 2 2. A cone with a side length of 9 inches and a radius of 3 inches has how much surface area?

#### Question 3 3. Which of the following real world objects is not a polyhedron?

#### Question 4 4. Which of the following is an example of a sphere?

#### Question 5 5. What kind of base does a hexagonal pyramid have?

### Page 2

#### Question 6 6. What is the surface area of a cylinder with a height of 10 inches and a radius of 3 inches? (Use π in your calculations, do not round to 3.14)

#### Question 7 7. What shape is the base of a hexagonal prism?

#### Question 8 8. The octahedron has how many sides?

#### Question 9 9. What is the volume of a cone with a height of 20 inches and a radius of 8 inches?

#### Question 10 10. Which two measurements do you need to find the volume of a cone?

### Page 3

#### Question 11 11. How many dimensions does a plane have?

#### Question 12 12. Which of the following is a cone?

#### Question 13 13. What is the surface area of a sphere whose radius is 2 inches?

#### Question 14 14. What does the B stand for in the formulas for surface area and volume of a prism?

#### Question 15 15. How many dimensions does a polyhedron have?

### Page 4

#### Question 16 16. What is the volume of a cylinder with a height of 7 inches and a radius of 3 inches?

#### Question 17 17. What is the only measurement you need to find surface area and volume of spheres?

#### Question 18 18. What is the surface area of a cylinder with a height of 4 inches and a radius of 5 inches? (Use π in your calculations rather than 3.14)

#### Question 19 19. What is the surface area of a sphere whose radius is 1 inch?

#### Question 20 20. What kind of platonic solid is this?

### Page 5

#### Question 21 21. What is the volume of a cylinder with a height of 9 inches and a radius of 8 inches? Use 3.14 for π and round to the nearest tenth.

#### Question 22 22. The hexahedron has how many sides coming together at each corner?

#### Question 23 23. What is the volume of a square pyramid that has a base area of 100 feet squared, a base perimeter of 40 feet, a height of 50 feet, and a slant height of 60 feet?

#### Question 24 24. A prism has how many bases?

#### Question 25 25. A tetrahedron has what kind of shape for its sides?

### Page 6

#### Question 26 26. What is the surface area of a triangular pyramid that has a base area of 200 feet squared, a base perimeter of 60 feet, a height of 100 feet, and a slant height of 150 feet?

#### Question 27 27. What is the surface area of just the BASE of a cone with a radius of 10 cm and a side length of 15 cm?

#### Question 28 28. What is the surface area of a square pyramid that has a base area of 100 feet squared, a base perimeter of 40 feet, a height of 50 feet, and a slant height of 60 feet?

#### Question 29 29. What is the volume of a triangular prism whose area of the base is 20 inches squared with a height of 3 inches?

#### Question 30 30. The dodecahedron has what kind of shape for its sides?

#### 6th-8th Grade Geometry: Polyhedrons & Geometric Solids Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!