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In each of the following exercises, the top, front, and right side views of a compound-angular hole are shown. For each exercise, do the following:
a. Sketch, dimension, and label a rectangular solid. Within the solid, show the right triangle that contains the hole axis as a side and the angle of tilt. Show the position of the angle of rotation.
b. Compute the angle of rotation,
c. Compute the angle of tilt,
Compute angles to the nearer minute in triangles with customary unit sides. Compute angles to the nearer hundredth degree in triangles with metric unit sides.
All dimensions are in millimeters. a. (sketch)
s
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Chapter 75 Solutions
Mathematics For Machine Technology
- Name each of the parts of circles for the following exercises. a. AB b.CD c.EO d. Point Oarrow_forwardName each of the parts of circles for the following exercises. a.1 b.2 c. AO d. CD e. CE f. ABarrow_forwardA regular hexagon is rotated about a centrally located point as shown. How many rotations are needed to repeat the given hexagon, vertex for vertex, if the angle of rotation is a 30? b 60? c 90? d 240?arrow_forward
- Diana is designing a triangular race course for a sailing regatta. The course is triangular and has a 35° angle between two sides of 7 km and 6 km. What is the length of the third side of the race course, to the nearest kilometre?arrow_forwardAn observer (O) is located 500 feet from a school (S). The observer notices a bird (B) flying at a 39° angle of elevation from his line of sight. How high is the bird flying over the school? You must show all work and calculations to receive full credit. A right triangle is shown with one leg measuring 500 and another leg measuring h, with an angle across from it measuring 39 degrees.arrow_forwardMichelle is stadning on the rooftop of the seda hotael, looking at abreeza mall in the distance. The angle of depression is 480. If the hotel is 120 feet tall, how far away is the abreeza mall?arrow_forward
- A ranger is at the top of a 200 foot lookout tower located on a flat plain. She spots a fire at an angle of depression of 3 degrees from the top of her tower. How far away is the fire.arrow_forwardJoe wants to put Christmas lights on the edge of his roof. His roof makes a 45 degree angle with the top of the house. If the house is 120 feet wide, find the amount of roof that needs to be covered by lights. Draw a diagram and solve the problem.arrow_forwardReflect the triangle over the y-axisarrow_forward
- A lifeguard is sitting on a platform. His eye level is 5 m above sea level. Martha and Sammy are swimming in the sea and Martha is 50 m away from the base of the platform. The angle of depression of Martha and Sammy from the lifeguard differs by 2°. What is the distance between Martha and Sammy?arrow_forwardA baseball player wants to hit a baseball over the fence. The fence is 25 feet tall. The baseball player is 52 feet away from the fence. At what angle must the baseball player hit the ball in order for it to go over the fence?arrow_forwardJan measures the angle of elevation of the peak of the mountain at 35 degrees. Susan, who is 1200 feet closer on a straight level path, measures the angle of elevation as 42 degrees. How high is the mountain?arrow_forward
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- Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
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