A ranger at the top of a fire tower observes the angle of depression to a fire on level ground to be  12.0°. If the tower is 260 ft tall, what is the ground distance from the base of the tower to the fire?

Trigonometry (MindTap Course List)
8th Edition
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Chapter3: Radian Measure
Section3.2: Radians And Degrees
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A ranger at the top of a fire tower observes the angle of depression to a fire on level ground to be 
12.0°. If the tower is 260 ft tall, what is the ground distance from the base of the tower to the fire?

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