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OpenStudy (anonymous):
PLEASE HELP! After a storm, a tree lies as show in the diagram in the comments. What was the original height of the tree? Round to nearest whole foot.
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OpenStudy (anonymous):
OpenStudy (paxpolaris):
does that say 97in. ?
OpenStudy (anonymous):
Yes, sorry about that
OpenStudy (paxpolaris):
all right... we have a 30-60-90 triangle and one side. do you know the ratios of the sides....
OpenStudy (anonymous):
no....
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OpenStudy (paxpolaris):
do you know any trigonometry? sin, cos, tan of a 30 degree angle?
OpenStudy (anonymous):
I know sin, cos, and tan
OpenStudy (paxpolaris):
|dw:1347559819144:dw| what's sin(30degrees) ?
OpenStudy (anonymous):
sin 30degrees= opp/hyp What should I call those?
OpenStudy (paxpolaris):
never mind .... can you see that your triangle above is half of an equilateral triangle... |dw:1347560247746:dw|
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