A hot-air balloon is floating above a straight road. To calculate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of depression are found to be 21° and 23°. How high (in feet) is the ballon?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.6: Symmetry And Transformations
Problem 26E: Considering that the consecutive dials on the natural gas meter rotate in opposite directions, what...
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A hot-air balloon is floating above a straight
road. To calculate their height above the
ground, the balloonists simultaneously measure
the angle of depression to two consecutive
mileposts on the road on the same side of the
balloon. The angles of depression are found to
be 21° and 23°.
How high (in feet) is the ballon?
Transcribed Image Text:A hot-air balloon is floating above a straight road. To calculate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of depression are found to be 21° and 23°. How high (in feet) is the ballon?
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