25. How far from the building must a ladder begin in order to rise 20 feet with a 53 angle of elevation? A. 15.07 1. B. 20.13 ft. C. 43.72 R D. 62.31 ft.
25. How far from the building must a ladder begin in order to rise 20 feet with a 53 angle of elevation? A. 15.07 1. B. 20.13 ft. C. 43.72 R D. 62.31 ft.
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 13A: Refer to the following figure in answering Exercises 7 through 13. It may be helpful to sketch...
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Question
25. How far from the building must a ladder begin in order to rise 20 feet with a 53 angle of elevation?
A. 15.07 1.
B. 20.13 ft.
C. 43.72 R
D. 62.31 ft.
26. Evaluate which among the statements below is TRUE?
A. sine 30° is greater than tangent 45
B. cos = is equal to 46.55°.
C. The height of a tree that is 15m tall casts a shadow of 23m will have an angle of elevation equal to 33°.
D. An airplane in the air with an altitude
205 feet is 50 feet away from the base to the building. The angle of depression is 48°.
34. A triangular playground has side of lengths 46, 53, and 83 feet, Identify what case and appropriate law must be applied to find the measure of each angle.
A. SAS Case & Sine Law
B. SAS Case & Cosine Law Law
C. SSS Case & Cosine
D. SSS Case & Sine Law
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