_1. Which of these statements is NOT true? A. An angle of elevation is an angle from a horizontal line. B. The line of sight is an imaginary line drawn from the eye of an observer to the point in the object. c. The angle of depression is the angle between the horizontal line of sight and the line of sight down to an object. D. If the horizontal line in the angle of depression diagram is parallel to the ground level, then the angle of depression is equal to the angle of elevation.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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_1. Which of these statements is NOT true?
A. An angle of elevation is an angle from a horizontal line.
B. The line of sight is an imaginary line drawn from the eye of an observer to the
point in the object.
C. The angle of depression is the angle between the horizontal line of sight and the
line of sight down to an object.
D. If the horizontal line in the angle of depression diagram is parallel to the ground
level, then the angle of depression is equal to the angle of elevation.
_2. What is the angle of elevation in the figure?
A. ZA
В. 2В
C. ZC
15°
D. ZX
2 miles
15°
_3. If two buildings are 30 ft apart and the angle of elevation from the top of the first to
the top of the second is 190, what is the angle of depression from the top of the second
to the top of the first?
A. 190
В. 490
С. 610
D. 710
For numbers 4 - 5, refer to the figure on the right,
4. What is the line of sight?
20m-
А. BD
В. ВХ
С. ВА
D. AX
_5. What is the angle of elevation?
А. LA
В. 2В
C. LC
D. ZX
40
8 m
Transcribed Image Text:_1. Which of these statements is NOT true? A. An angle of elevation is an angle from a horizontal line. B. The line of sight is an imaginary line drawn from the eye of an observer to the point in the object. C. The angle of depression is the angle between the horizontal line of sight and the line of sight down to an object. D. If the horizontal line in the angle of depression diagram is parallel to the ground level, then the angle of depression is equal to the angle of elevation. _2. What is the angle of elevation in the figure? A. ZA В. 2В C. ZC 15° D. ZX 2 miles 15° _3. If two buildings are 30 ft apart and the angle of elevation from the top of the first to the top of the second is 190, what is the angle of depression from the top of the second to the top of the first? A. 190 В. 490 С. 610 D. 710 For numbers 4 - 5, refer to the figure on the right, 4. What is the line of sight? 20m- А. BD В. ВХ С. ВА D. AX _5. What is the angle of elevation? А. LA В. 2В C. LC D. ZX 40 8 m
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