Exercises 81-83 will help you prepare for the material covered in the next section. 81. Find the obtuse angle B, rounded to the nearest degree, satisfying 62 + 4? – 92 cos B = 2.6.4 82. Simplify and round to the nearest whole number: V26(26 – 12)(26 – 16)(26 – 24). 83. Two airplanes leave an airport at the same time on different runways. The first plane, flying on a bearing of N66°W, travels 650 miles after two hours. The second plane, flying on a bearing of S26°W, travels 600 miles after two hours. Illustrate the situation with an oblique triangle that shows how far apart the airplanes will be after two hours.
Exercises 81-83 will help you prepare for the material covered in the next section. 81. Find the obtuse angle B, rounded to the nearest degree, satisfying 62 + 4? – 92 cos B = 2.6.4 82. Simplify and round to the nearest whole number: V26(26 – 12)(26 – 16)(26 – 24). 83. Two airplanes leave an airport at the same time on different runways. The first plane, flying on a bearing of N66°W, travels 650 miles after two hours. The second plane, flying on a bearing of S26°W, travels 600 miles after two hours. Illustrate the situation with an oblique triangle that shows how far apart the airplanes will be after two hours.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter62: Volumes Of Prisms And Cylinders
Section: Chapter Questions
Problem 38A: A copper casting is in the shape of a prism with an equilateral triangle base. The length of each...
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Transcribed Image Text:Exercises 81-83 will help you prepare for the material covered in
the next section.
81. Find the obtuse angle B, rounded to the nearest degree,
satisfying
62 + 4? – 92
cos B =
2.6.4
82. Simplify and round to the nearest whole number:
V26(26 – 12)(26 – 16)(26 – 24).
83. Two airplanes leave an airport at the same time on different
runways. The first plane, flying on a bearing of N66°W, travels
650 miles after two hours. The second plane, flying on a
bearing of S26°W, travels 600 miles after two hours. Illustrate
the situation with an oblique triangle that shows how far
apart the airplanes will be after two hours.
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