Lesson 14.1 Skills Practice
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1 Lesson 14.1 Skills Practice Name Date Cut, Fold, and Voila! Nets Vocabulary Define each term in your own words. 1. geometric solids 2. net 3. prototype 4. edge 5. face 6. vertex Problem Set Sketch and label the location of each face of the given geometric solid. 1. Front right Front left Back Top Bottom Chapter 14 Skills Practice 773
2 Lesson 14.1 Skills Practice page Chapter 14 Skills Practice
3 Lesson 14.1 Skills Practice page 3 Name Date 6. Sketch a net of each geometric solid. 7. Sample answer. Chapter 14 Skills Practice 775
4 Lesson 14.1 Skills Practice page Chapter 14 Skills Practice
5 Lesson 14.1 Skills Practice page 5 Name Date Chapter 14 Skills Practice 777
6 Lesson 14.1 Skills Practice page Chapter 14 Skills Practice
7 Lesson 14.1 Skills Practice page 7 Name Date 13. Chapter 14 Skills Practice 779
8 Lesson 14.1 Skills Practice page Chapter 14 Skills Practice
9 Lesson 14.2 Skills Practice Name Date More Cans in a Cube The Cube Vocabulary Match each definition to its corresponding term. 1. The amount of space occupied by an object a. polygon 2. A regular polyhedron whose six faces are congruent squares b. polyhedron 3. The total area of the 2-dimensional surfaces that make up a 3-dimensional object c. regular polyhedron 4. A 3-dimensional figure that has polygons as faces d. cube 5. A closed figure formed by three or more line segments e. unit cube 6. A 3-dimensional solid that has congruent regular polygons as faces and has congruent angles between all faces f. surface area 7. A cube that is one unit in length, one unit in width, g. volume and one unit in height 8. A portion of a line that includes two points and all the h. point points in between those two points 9. Having the same size, shape, and measure i. line segment 10. A location in space j. congruent Chapter 14 Skills Practice 781
10 Lesson 14.2 Skills Practice page 2 Problem Set Calculate the surface area of the cube cm 4 cm The surface area of the cube is cm cm 7 cm cm cm 782 Chapter 14 Skills Practice
11 Lesson 14.2 Skills Practice page 3 Name Date cm 0.6 cm cm 6 cm Chapter 14 Skills Practice 783
12 Lesson 14.2 Skills Practice page 4 Calculate the volume of each cube. Then, calculate the cube s volume if its dimensions were doubled cm 4 cm The volume of the cube is cm 3. If the cube s dimensions were doubled, the volume would be cm cm 3.5 cm 784 Chapter 14 Skills Practice
13 Lesson 14.2 Skills Practice page 5 Name Date cm 8.4 cm cm cm Chapter 14 Skills Practice 785
14 Lesson 14.2 Skills Practice page cm 4.6 cm 786 Chapter 14 Skills Practice
15 Lesson 14.3 Skills Practice Name Date Prisms Can Improve Your Vision! Prisms Vocabulary Write the term that best completes each statement. 1. A is a prism that has rectangles as its bases. 2. A is a polyhedron with two parallel and congruent faces called. The other faces of the polyhedron are parallelograms and are called. 3. A prism which has bases aligned one directly above the other and has lateral faces that are rectangles is a. 4. The is the length of a line segment that is drawn from one base to the other base and is perpendicular to both. Problem Set 1. Analyze the prism shown. a. Describe the number of faces and lateral faces of the prism. The prism has 5 faces and 3 lateral faces. b. Describe the number of vertices of the prism. c. Describe the number of edges of the prism. d. Describe the shape of the base of the prism and name the prism. Chapter 14 Skills Practice 787
16 Lesson 14.3 Skills Practice page 2 2. Analyze the prism shown. a. Describe the number of faces and lateral faces of the prism. b. Describe the number of vertices of the prism. c. Describe the number of edges of the prism. d. Describe the shape of the base of the prism and name the prism. 3. Analyze the prism shown. a. Describe the number of faces and lateral faces of the prism. b. Describe the number of vertices of the prism. c. Describe the number of edges of the prism. d. Describe the shape of the base of the prism and name the prism. 788 Chapter 14 Skills Practice
17 Lesson 14.3 Skills Practice page 3 Name Date 4. Analyze the prism shown. a. Describe the number of faces and lateral faces of the prism. b. Describe the number of vertices of the prism. c. Describe the number of edges of the prism. d. Describe the shape of the base of the prism and name the prism. Chapter 14 Skills Practice 789
18 790 Chapter 14 Skills Practice
19 Lesson 14.4 Skills Practice Name Date Outside and Inside a Prism Surface Area and Volume of a Prism Problem Set Calculate the surface area and volume of each right rectangular prism cm 3 cm 8 cm The surface area is 2(8 3) 1 2(3 2) 1 2(8 2) cm 2. The volume is cm ft 6 ft 4 ft 3. 1 in. 2 in. 15 in. Chapter 14 Skills Practice 791
20 Lesson 14.4 Skills Practice page cm 6 cm 10 cm 5. 5 yd 6 yd 20 yd 6. A right rectangular prism has a length of 7 inches, a width of 4 inches, and a height of 2 inches. 792 Chapter 14 Skills Practice
21 Lesson 14.4 Skills Practice page 3 Name Date 7. A right rectangular prism has a length of 5 centimeters, a width of 5 centimeters, and a height of 12 centimeters. 8. A right rectangular prism has a length of 11 centimeters, a width of 3 centimeters, and a height of 10 centimeters. 9. A right rectangular prism has a length of 4.5 meters, a width of 9 meters, and a height of 6 meters. 10. A right rectangular prism has a length of 2.2 feet, a width of 5.5 feet, and a height of 15 feet. Calculate the surface area and volume for each right prism with the given base. The base of the prism is a regular polygon. 11. Base 10 cm 5.2 cm 6 cm The area of each base is cm2. The area of each lateral face is cm 2. The surface area of the prism is cm 2. The volume of the prism is cm 3. Chapter 14 Skills Practice 793
22 Lesson 14.4 Skills Practice page Base 6 cm 5.5 cm 8 cm 13. Base 12 cm 8.7 cm 10 cm 794 Chapter 14 Skills Practice
23 Lesson 14.4 Skills Practice page 5 Name Date cm Base 2.6 cm 3 cm 15. Base 20 cm 14.5 cm 12 cm Chapter 14 Skills Practice 795
24 Lesson 14.4 Skills Practice page Base 5 cm 6.1 cm 7 cm Sketch a net for each right rectangular prism. Label the bases and lateral faces. 17. Base Lateral face Lateral face Lateral face Lateral face Answers may vary. Base Chapter 14 Skills Practice
25 Lesson 14.4 Skills Practice page 7 Name Date Chapter 14 Skills Practice 797
26 Lesson 14.4 Skills Practice page Chapter 14 Skills Practice
27 Lesson 14.5 Skills Practice Name Date The Egyptians Were on to Something Or Was It the Mayans? Pyramids Vocabulary Draw and label a figure to illustrate the key terms. 1. pyramid 2. vertex of a pyramid 3. height of a pyramid 4. slant height of a pyramid Chapter 14 Skills Practice 799
28 Lesson 14.5 Skills Practice page 2 Problem Set Calculate the surface area of each pyramid with the given base and lateral face. The base of each pyramid is a regular polygon. 1. The height of the pyramid is 11.6 feet. 12 ft Base 8.7 ft Lateral face 10 ft The area of the base is 1 2 (10 8.7) ft2. The area of each lateral face is 1 2 (10 12) 5 60 ft2. The surface area of the pyramid is ft The height of the pyramid is 8 centimeters. 6 cm Base 5.2 cm Lateral face 8.2 cm 800 Chapter 14 Skills Practice
29 Lesson 14.5 Skills Practice page 3 Name Date 3. The height of the pyramid is 12 centimeters. 10 cm Lateral face 13 cm 4. The height of the pyramid is 4 inches. 6 in. Lateral face 5 in. 5. The height of the pyramid is 6 meters. 4 m Base 2.8 m Lateral face 6.6 m Chapter 14 Skills Practice 801
30 Lesson 14.5 Skills Practice page 4 6. The height of the pyramid is 7 feet. Base 8 ft 5.5 ft Lateral face 8.9 ft 7. The height of the pyramid is 10 centimeters. Base 12 cm 10.4 cm Lateral face 14.4 cm 802 Chapter 14 Skills Practice
31 Lesson 14.5 Skills Practice page 5 Name Date 8. The height of the pyramid is 5 inches. Base 6 in. 5.2 in. Lateral face 7.2 in. 9. The height of the pyramid is 20 centimeters. Base 24.7 cm 12 cm 14.5 cm Lateral face Chapter 14 Skills Practice 803
32 Lesson 14.5 Skills Practice page The height of the pyramid is 8 millimeters. Base 10 mm 5 mm 6 mm Lateral face 804 Chapter 14 Skills Practice
33 Lesson 14.6 Skills Practice Name Date And the Winning Prototype Is...? Identifying Geometric Solids in Everyday Occurrences Problem Set Identify the geometric solid. 1. pyramid 2. Chapter 14 Skills Practice 805
34 Lesson 14.6 Skills Practice page Chapter 14 Skills Practice
35 Lesson 14.6 Skills Practice page 3 Name Date Use the given information to answer the question. Round to the nearest hundredth, if necessary. Use 3.14 for π. 7. Bin Awhile Manufacturing builds cube-shaped steel containment bins. The cost of the steel used is $1.50 per square foot. How much does the steel cost for each containment bin? 4 ft Determine the surface area of the bin. The area of each face is ft 2. The total surface area is ft 2. So, the cost of the steel for each bin is 96 $ $ Tariq is building a hollow glass replica of an Egyptian pyramid with a square base for an art exhibit. The glass costs $0.01 per square inch. How much does Tariq spend on the glass for his pyramid? Lateral face 20 in. 24 in. Chapter 14 Skills Practice 807
36 Lesson 14.6 Skills Practice page 4 9. Jamie is considering buying an aluminum swimming pool in the shape of a rectangular prism. How many cubic feet of water will the pool hold when full? 25 ft ft 4 ft 10. Laila is manufacturing boxes for frozen popsicles. The cost of the cardboard used to make the box is $0.03 per square foot. How much does the cardboard cost for each box? 0.6 ft 0.75 ft 0.15 ft 808 Chapter 14 Skills Practice
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