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OpenStudy (swag):
In △DEF, what is the length of DF? A. 126 B. 63√2 C. 21 D. 42√3
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OpenStudy (swag):
OpenStudy (anonymous):
OpenStudy (anonymous):
satellite what is up with that pic ?
OpenStudy (hoblos):
sin60 = ED/DF =>DF= 63/sin60=42√3
OpenStudy (anonymous):
i have a web site u can go to that will help u get the mesur of the angels if u want
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OpenStudy (anonymous):
www.grc.nasa.gov/WWW/k-12/airplane/sincos.html
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