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Mathematics 7 Online
OpenStudy (anonymous):

Find all the missing parts to the triangle below.

OpenStudy (anonymous):

OpenStudy (anonymous):

@Hero @thomaster @zepdrix

zepdrix (zepdrix):

Err no looks like we need Law of Cosines for this one >.< Doh! \[\Large\rm f^2=28^2+15^2-2(28)(15)\cos87^{\circ}\]

zepdrix (zepdrix):

So then uhhh, yah solve for f :U

zepdrix (zepdrix):

After you get that missing side, you can apply Law of Sines to find one of the missing angles.

zepdrix (zepdrix):

What'dya think? Too hard to solve for f?

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