16) Sierra is printing out an essay on paper that measures 8 1 2 in. by 11 in. She sets the top and bottom margins at 1 in. and the left and right margins at 1 1 4 in. Find the area of the region on the paper available for print. Substitute the given values into the geometry formula, and solve for the remaining variable. Be sure to use the correct units in your answer. 17) P 2l 2w; If P 34 mm when l 11 mm, fi nd w. 18) A 1 2 h1b B2; If A 26 in2 when b 3 in. and B 10 in., fi nd h. Solve each problem. Use the Five Steps for Solving Applied Problems. 19) The area of a triangular window is 225 in2, and the length of its base is 25 in. What is the height of the window? 20) Suzanne will sew a border around the rectangular quilt she is making. The width of the quilt is 2 ft less than the length. If Suzanne will need 26 ft of material for the border, what are the dimensions of the quilt? 21) Find the missing angle measures. x° B 658 (3x 2 17)8 A C 10) The angles in a triangle add up to how many degrees? For Exercises 11 and 12, classify each triangle as a) acute, obtuse, or right b) equilateral, isosceles, or scalene 11) 15 cm 15 cm 18 cm 12) 12 in. 5 in. 13 in. 13) Find the volume of the fi gure. 8 m 6 m 6 m 14) Find the volume and surface area of the storage box. 4 ft 1 2 3 ft 2 ft Solve each problem. 15) A town’s park district will install a fl ower garden in the shape shown here. It will be enclosed by decorative fencing that costs $18/ft. Find the cost of the fence. 8 ft 5 ft 5 ft 14 ft Chapter 4: Cumulative Review for Chapters 1–4 Perform the indicated operations. Write the answers in lowest terms. 1) (517)(38) 2) 2906 84 (531) 1277 3) 20 21 14 45 4) 3 3 4 a5 5 8 b 5) 5 6 7 12 3 8 6) 72 7) 2 9 (4) 8) 9 07 12 0 1144 9) 48 62 12 354 CHAPTER 4 Basic Geometry Concepts and Algebra www.mhhe.com/messersmith
messersmith_power_prealgebra_1e_ch4_7_10
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