Please help me do Section 5-8, page 331-32, exercises 12, 14, 16, 20, 22, 24, 26, 30

E XERCISES Practice Solwe each triangle. Round to the nearest tenth. M.b=7,c=104 =51" 12.a=5b=6c=7 1B.a=4,b=5c=T 14. a=16,c = 12, B = 63" 15.a=114,b=137,c=122 16.C=T9.3",a=2156=13 17. The sides of a triangle measure 14.9 centimeters, 238 centimeters, and 36.9 centimeters. Find the measure of the angle with the least measure. 18. Geaometry Two sides of a parallelogram measure 60 centimeters and 401 centimeters. If one angle of the parallelogram measures 1327, find the length of each diagonal. Find the area of each triangle. Round to the nearest tenth. 1. a=4b=6c=8 20.a=17.b=13c=19 21.a=20,b=3,c =40 2R a=31.b=5]c=42 23.a=174,b =138, c = 188 24.a=1150>b=137,c= 122 25. Geometry The lengths of two sides of a parallelogram are 48 inches and 0 inches. One angle measures 120. 1{-.,'__5; &. Find the length of the longer diagonal. Ain S qons "\"n.:} b. Find the area of the parallelogram. 48 in. 26. Geametry The side of a rhombus is 15 centimeters long, and the length of its longer diagonal is 24.6 centimeters. &. Find the area of the rhombus. b. Find the measures of the angles of the rhombus. Applications 27. Baseball In baseball, dead and Prokblbem center field is the farthest point Salving in the outfield on the straight line w, through home plate and second base. i' The distance between consecutive e e bases is 90 feet. In Wrigley Field in Chicago, dead center field is 400 feet from home plate. How far is dead center field from first base? 28. Critical Thinking The lengths of the sides of a triangle are 74 feet, 38 feet, and 38 feet. What is the length of the altitude drawn to the longest side? .g_ www.amcglencoe.com/self_check_quiz lesson 5.8 The low of Cosines 331 Pl CONTENTS | 29. Air Travel The distance between Miami and Orlando is about 220 miles. A pilot flying from Miami to Orlando starts the flight 10 off course to avoid a storm. a. After flying in this direction for 100 miles, how far is the plane from Orlando? b. If the pilot adjusts his course after 100 miles, how much farther is the flight than a direct route? 30. Critical Thinking Find the area of the 202 pentagon at the right. '35_2.5- , II 18025 # 201 6 '| S | i L 158 H 126 ft