16) ? ? 8 ft 12 ft 9 ft 9 ft 3 ft 2 ft Solve each problem. 17) Regulation soccer fi elds vary in size depending on age and skill level. What is the difference between the areas of the two soccer fi elds shown below? 80 yd 50 yd 120 yd 100 yd 18) An archaeologist discovers some dinosaur fossils and measures off a rectangular area around the fossils that is 16 ft long and 12 ft wide. How much fencing is needed to enclose this area? Find the perimeter and area of the given parallelogram. 19) 7 in. 3 10 5 in. 1 2 4 in. 1 2 20) 38 m 19 m 42 m Find the perimeter and area of the given trapezoid. 21) 1 2 9 m 2 m 1 4 7 m 11 m 3 4 8 m 1 2 22) 4 ft 3 5 3 5 1 ft 1 2 1 2 2 ft 2 ft (4.3) Find the perimeter of the given triangle. 23) 16 m 11 m 23 m 10) Q 9) v d A P B (4.2) Find the perimeter and area of each rectangle. 11) 10 cm 8 cm 8 cm 10 cm 12) 2 in. 1 3 4 in. 1 4 Find the perimeter and area of each square. 13) ft 3 4 ft 3 4 ft 3 4 ft 3 4 14) 28 mm 28 mm Find the perimeter and the area of the given figure. Note that you must first find the missing lengths. 15) 10 cm 18 cm 7 cm 12 cm ? ? 350 CHAPTER 4 Basic Geometry Concepts and Algebra www.mhhe.com/messersmith
messersmith_power_prealgebra_1e_ch4_7_10
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