Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Chapter 76, Problem 8A
To determine
(a)
The value of angle
To determine
(b)
The value of angle
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- Solve the following exercises based on Principles 18 through 21, although an exercise may require the application of two or more of any of the principles. Where necessary, round linear answers in inches to 3 decimal places and millimeters to 2 decimal places. Round angular answers in decimal degrees to 2 decimal places and degrees and minutes to the nearest minute. Points A, B, C, D, and E are tangent points. a. If AB=46.00 and DE=66.00 , find 1. b. If AB=53.00 and DE=70.00 , find 1.arrow_forwardThe following problem is based on the Parallelogram Law. In the scaled drawing, each unit corresponds to 50 mph. A small airplane travels due east at 250 mph. The wind is blowing at 50 mph in the direction due north. Using the indicated diagonal and use it to determine the speed of the airplane in miles per hour.arrow_forwardAlbert lives in New Orleans. At noon on a summer day, the angle of elevation of the sun is 84. The window in Alberts room is 4.0 feet high and 6.5 feet wide. (Sec Figure 24.) a. Calculate the area of the floor surface in Alberts room that is illuminated by the sun when the angle of elevation of the sun is 84. b. One winter day the angle of elevation of the sun outside Alberts window is 37. Will the illuminated area of the floor in Alberts room be greater on the summer day, or on the winter day? Figure 24arrow_forward
- Give the coordinates of each point A, B, C, D, and E. Also name the quadrant in which each point lies.arrow_forwardAn airplane has leveled off is flying horizontally at an altitude of 12, 000 feet. Its pilot can see each of two farmhouses at points R and T in front of the plane. With angle measures as indicated, find mRarrow_forwardFor Questions 1 through 4, fill in each blank with the appropriate word. If an observer positioned at the vertex of an angle views an object in the direction of the nonhorizontal side of the angle, then this side is called the ______ ___ ______ of the observer.arrow_forward
- For Questions 1 through 3, fill in each blank with the appropriate word. Based on its Greek origins, the word trigonometry can be translated as ___________ ______________.arrow_forwardIn each of the following exercises, three views of a part are shown. The angular surfaces are to be machined in reference to the horizontal plane at A and B as shown in the front and right side views. Compute the required angles using these formulas: tanR=tanAtanB cotC=cot2A+cot2B Given: A=31.60 C=28.00 a. Compute B. b. Compute R . Use this figure for Exercises 15, 16, and 17.arrow_forwardFor Questions 7 and 8, determine if the statement is true or false. In rectangular coordinates, each point is represented by a unique ordered pair.arrow_forward
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01 - Angles and Angle Measure in Degrees - Part 1 - Types of Angles & What is an Angle?; Author: Math and Science;https://www.youtube.com/watch?v=hy95VyPet-M;License: Standard YouTube License, CC-BY