3. A balloon is observed from two stations A and B at horizontal level, A being 1000m north of B. At a given instant the bearing of the balloon from A is 33.2° and its angle of elevation is 53.42°, while from B its bearing is 21.45. Calculate the height of the balloon. In the figure, a balloon is at P, and Q is directly below P. 0=33.2, e=21.45, a = 53.42 andd = 500m. same

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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**Problem Statement:**

A balloon is observed from two stations A and B at the same horizontal level, with A being 1000m north of B. At a given instant, the bearing of the balloon from A is 33.2° and its angle of elevation is 53.42°, while from B, its bearing is 21.45°. Calculate the height of the balloon.

In the figure, a balloon is at P, and Q is directly below P. The values given are:
- φ (phi) = 33.2°
- θ (theta) = 21.45°
- α (alpha) = 53.42°
- d = 500m

**Diagram Explanation:**

The diagram illustrates a geometric situation for solving the problem:

- Points A and B are on the horizontal line, with A positioned north of B.
- Lines extending from A and B form angles φ and θ with the North direction, respectively.
- A line from B extends eastward, labeled d, representing the separation between A and B in the north-south direction.
- Labeled angles are:
  - φ (33.2°) at A
  - θ (21.45°) at B
  - α (53.42°) at A, which is the angle of elevation to the balloon.
- Point P is the balloon’s position above the ground level.
- Point Q is positioned on the ground, directly below point P, vertically extending the line forming height h with P. The line segment connecting B and Q forms one side of the triangle, while PQ stands vertically indicating the height h of the balloon.
Transcribed Image Text:**Problem Statement:** A balloon is observed from two stations A and B at the same horizontal level, with A being 1000m north of B. At a given instant, the bearing of the balloon from A is 33.2° and its angle of elevation is 53.42°, while from B, its bearing is 21.45°. Calculate the height of the balloon. In the figure, a balloon is at P, and Q is directly below P. The values given are: - φ (phi) = 33.2° - θ (theta) = 21.45° - α (alpha) = 53.42° - d = 500m **Diagram Explanation:** The diagram illustrates a geometric situation for solving the problem: - Points A and B are on the horizontal line, with A positioned north of B. - Lines extending from A and B form angles φ and θ with the North direction, respectively. - A line from B extends eastward, labeled d, representing the separation between A and B in the north-south direction. - Labeled angles are: - φ (33.2°) at A - θ (21.45°) at B - α (53.42°) at A, which is the angle of elevation to the balloon. - Point P is the balloon’s position above the ground level. - Point Q is positioned on the ground, directly below point P, vertically extending the line forming height h with P. The line segment connecting B and Q forms one side of the triangle, while PQ stands vertically indicating the height h of the balloon.
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