37) 6 cm 5 cm 5 cm 38) 10 in. 13 in. 13 in. Find the volume and surface area of each fi gure. 39) 1 m 2 1 m 4 3 m 4 40) 1 ft 1 2 1 ft 1 2 1 ft 1 2 Find the volume of each fi gure. 41) 9 in. 6 in. 6 in. 42) 5 cm 4 cm 12 cm Solve each problem. 43) A playground is in the shape of a rectangle that is 180 ft long and 120 ft wide. It will be enclosed by a fence that costs $13 per foot. Find the cost to fence in the playground. 44) A company is designing a tablet computer that is 7 1 2 in. wide and 9 1 2 in. long. The width of the border is 3 4 in. What is the actual viewing area of the screen? 9 in. 1 2 7 in. 1 2 45) Shivendra plans 9 yd 7 yd to lay down new sod in his yard. The sod costs $2 per square yard, but he will also need to 39 yd rent a rototiller for $75 and a lawn roller for $15, and then buy fertilizer for $140. Find the 30 yd total amount Shivendra will spend to install the sod. 46 yd 46) A hybrid car battery is approximately 106 mm wide, 285 mm long, and 20 mm high. Find the volume of the battery. R1) Could you do this exercise set without looking back at the book or your notes? If not, what could you do to review the topics you don’t know very well? R2) Are you getting more comfortable working with fractions? Do you need to go back to Chapter 3 to review operations with fractions? R3) Could you explain the concepts in this section to another student if he or she asked you a question? 332 CHAPTER 4 Basic Geometry Concepts and Algebra www.mhhe.com/messersmith
messersmith_power_prealgebra_1e_ch4_7_10
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