(a)
The sketch and label of a rectangular solid.

Answer to Problem 13A
The sketch and label of a rectangular is shown in Figure-(1).
Explanation of Solution
Project auxiliary lines that form right triangles containing the given angles, the axis of the hole, and the angles to be computed,
The sketch and label of a rectangular is shown below.
Figure-(1)
(b)
The angle of rotation

Answer to Problem 13A
The angle of rotation
Explanation of Solution
Write the expression for the angle
Here, the length of the side
Write the expression for the angle
Here, the length of the side
Write the expression for the angle
Calculation:
Consider the length of the side
Substitute
The length of the side
Substitute
Substitute
Conclusion:
The angle
(c)
The angle of tilt

Answer to Problem 13A
The angle of tilt
Explanation of Solution
Write the expression for the length
Write the expression for the angle
Calculation:
Substitute
Substitute
Conclusion:
The angle
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Chapter 76 Solutions
EBK MATHEMATICS FOR MACHINE TECHNOLOGY
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