A hot-air balloon is flying over a dry lake when the wind stops blowing. The balloon comes to a stop 450 feet above the ground at point D as shown in Figure 9. A jeep following the balloon runs out of gas at point A. The nearest service station is due north of the jeep at point B. The bearing of the balloon from the jeep at A is N 13 degree E, while the bearing of the balloon from the service station at B is S 19 degree E. If the angle of elevation of the balloon from A is 128, how far will the people in the jeep have to walk to reach the ser vice station at point B?
Transcribed Image Text:12°
19
13°
E
Figure 9
\u ost
Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.
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