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January 30, 2015

January 30, 2015

Posted by **tori** on Thursday, February 16, 2012 at 10:54pm.

- geometry -
**Steve**, Friday, February 17, 2012 at 10:53amthis one is just like the one with bearings. Use law of cosines:

DE^{2}= FD^{2}+ FE^{2}- 2*FD*FE*cosF

DE^{2}= 225 + 784 - 2*15*28*cos(73.666666)

DE^{2}= 773

DE = 28

- geometry -
**tori**, Friday, February 17, 2012 at 3:09pmThank you so much!

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