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OpenStudy (anonymous):
A ladder leans against a house at a 60° angle to the ground. If the ladder extends to a length of 132 inches, what is the height of the house rounded to the nearest hundredth of an inch? Type the numeric answer only in the box below. Numerical Answers Expected!
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OpenStudy (anonymous):
OpenStudy (anonymous):
use sin60º
OpenStudy (anonymous):
definition
OpenStudy (anonymous):
that's one small house...
OpenStudy (anonymous):
|dw:1339436857958:dw| sin Alpha = b/a
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OpenStudy (anonymous):
sin60º = sqrt3/2 so sqrt3/2=b/132 b=sqrt3*132/2
OpenStudy (anonymous):
so its 144.32 ?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
thankyou
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