5. Surface Area Practice Chapter Test

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1 ID: A Date: / / Name: Block ID: 5. Surface Area Practice Chapter Test Multiple Choice Identify the choice that best completes the statement or answers the question. Choose the best answer. 1. Which combination of views is the minimum required to describe a 3-D object? a. front only b. front, side, and top c. side and front d. side and top 2. Identify the following 3-D object. a. triangular pyramid c. rectangular prism b. triangular prism d. cylinder 3. Which object has the front view shown below after a rotation of 90 clockwise onto its side? a. c. b. d. 1

2 4. The surface area of this triangular prism would be calculated as You need to use the Pythagorian relationship to determine the missing length. a. 2(5 8) + 2(6 4) b. 2( 5 8 ) + 2(5 5) + (6 8) 2 c. 2( 4 6 ) + 2(5 8) + (6 8) 2 d. 2(5 8) + 3(6 4) 5. The minimum number of views needed to describe a 3-D object is a. 1 b. 2 c. 3 d Find the surface area of the following rectangular prism. a. 81 cm 2 c. 108 cm 2 b. 90 cm 2 d. 162 cm 2 2

3 7. What 3-D object can the net illustrated below be folded to create? a. cube b. cylinder c. oblong box d. sphere 8. What 3-D object can be created by folding this net? a. cube c. rectangular prism b. cylinder d. triangular prism 9. The distance between adjacent dots (vertical and horizontal) is 1 cm. What would be the surface area of the 3-D object produced by the net below? a. 48 cm 2 b. 64 cm 2 c. 88 cm 2 d. 88 cm 3 3

4 10. Which object do these three views describe? a. c. b. d. 11. Which 3-D object would the following net create? a. cube c. rectangular prism b. cylinder d. triangular prism 4

5 12. Which net would create a cylinder? a. c. b. d. 13. Which view best represents the top of this 3-D object? a. c. b. d. 5

6 14. Which view best represents the top of this 3-D object? a. c. b. d. 15. Which view best represents the front of this 3-D object? a. c. b. d. 16. To find the total surface area of a rectangular prism, you must calculate and add the areas of a. 2 faces b. 3 faces c. 4 faces d. 6 faces 17. The 3-D object created by folding this net will be a a. triangular prism c. cylinder b. rectangular prism d. cube 6

7 18. A 3-D object with two parallel and congruent circular bases is a a. cylinder c. sphere b. rectangular prism d. triangular prism 19. A tube for potato chips is a cylinder with a diameter of 6 cm and a height of 28 cm. What is the total surface area of the tube? a cm 2 b cm 2 c cm 2 d cm What is the total surface area of a cylinder with a radius of 1 cm and a height of 12 cm? a cm 2 b cm 2 c cm 2 d cm The total surface area of the 3-D object created by the net shown below would be a cm 2 b cm 2 c cm 2 d cm What is the surface area of the 3-D object shown below? a. 8 cm 2 c. 32 cm 2 b. 16 cm 2 d. 40 cm 2 7

8 23. What is the surface area of the 3-D object shown below? a. 12 cm 2 b. 135 cm 2 c. 168 cm 2 d. 318 cm The total surface area of this 3-D object would be a m 2 b m 2 c m 2 d m The total surface area of this 3-D object is a. 836 cm 2 b. 736 cm 2 c. 696 cm 2 d. 688 cm 2 8

9 Short Answer Write your answer in the space provided. 26. Draw the front, top, and side views for this 3-D object. 27. Draw the front, top, and side views for the 3-D object shown below. 9

10 28. Draw the 3-D object described by the three views shown below. 10

11 29. Identify and sketch the two 3-D objects that together form this house. Problem Write your answer in the space provided. 30. A roof is being constructed with an end as shown below. The roof is 14 m long. What will the surface area of the top and two ends of the roof be? 31. A cylinder has two circular ends, each with an area of 1256 cm 2. The height of the cylinder is 60 cm. What is the surface area of the cylinder? 32. Calculate the surface area of a cylinder with a height of 60 cm and a circumference of 62.8 cm. 11

12 33. Calculate the total surface area of the triangular prism shown below. 12

13 ID: A 5. Surface Area Practice Chapter Test Answer Section MULTIPLE CHOICE 1. B 2. B 3. A 4. C 5. C 6. B 7. A 8. C 9. C 10. A 11. C 12. A 13. B 14. A 15. D 16. D 17. B 18. A 19. A 20. C 21. D 22. D 23. C 24. C 25. B SHORT ANSWER 26. 1

14 ID: A The house is a combination of a triangular prism and a rectangular prism. PROBLEM 30. Surface area of two ends = 2 b h 2 = 2 = Surface area of the top = = 210 Total surface area = = 264 Surface area of the top = = 210 The total surface area is 264 m 2. 2

15 ID: A 31. Area of two ends = = 2512 Area of a circle = π r = 3.14 r 2 r 2 = r 2 = 400 r = 20 Diameter = 2 radius = 2 20 = 40 Circumference =π d = = Area of the rectangle = height circumference = = 7536 Total surface area = area of ends + area of the rectangle = = The total surface area of the cylinder is cm 2. 3

16 ID: A 32. Circumference = π diameter 62.8 = 3.14 d d = d = 20 Area of one circular end = 2(π r 2 ) You need to "reverse engineer" to calculate the diameter = = 628 Area of two circular ends = = 1256 Area of the rectangle = π d h = = 3768 Total surface area = = 5024 The total surface area of this cylinder is 5024 cm Surface area of 2 triangular faces = 2 ( b h 2 ) = 2 ( ) = Surface area of 3 rectangular faces = 3 l w (roof sections) 2 = Total surface area = = = The total surface area for this triangular prism is 174 cm 2. Area of floor = l w 10 6 = 60 4

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