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OpenStudy (anonymous):
A tree grows vertically on a hillside. The hill is at a 16° angle to the horizontal. The tree casts an 18-meter shadow up the hill when the angle of elevation of the sun measures 68°. How tall is the tree?
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OpenStudy (anonymous):
OpenStudy (anonymous):
use SOH CAH TOA i think
OpenStudy (anonymous):
what that mean
OpenStudy (anonymous):
sin16=a/18 cos16=b/18 tan68=c/b
OpenStudy (anonymous):
The tree is 48.4 meters tall.
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OpenStudy (anonymous):
how do you do that
OpenStudy (anonymous):
and when you done can you help me with http://openstudy.com/groups/mathematics/updates/4de53d7d4c0e8b0b66d6b0d8
OpenStudy (anonymous):
OpenStudy (anonymous):
okay thank
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