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Mathematics 8 Online
OpenStudy (swag):

In △DEF, what is the length of DF? A. 126 B. 63√2 C. 21 D. 42√3

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

OpenStudy (anonymous):

www.grc.nasa.gov/WWW/k-12/airplane/sincos.html

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