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Mathematics 8 Online
OpenStudy (anonymous):

HELP ASAP I GIVE MEDALS! Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary. B = 103°, a = 12 cm, c = 22 cm I DONT GET IT?

OpenStudy (anonymous):

Does it have a diagram, or does it just give you the measurements?

OpenStudy (anonymous):

just the measurments

OpenStudy (anonymous):

ok, one sec...

OpenStudy (anonymous):

is it the law of cosines?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

it would be B^2 = a^2+c^2-2ac cos(B)

OpenStudy (anonymous):

Solving for side B, it should be approx. 32.26

OpenStudy (anonymous):

ok one second

OpenStudy (ajprincess):

|dw:1368888328060:dw| \[Area=\frac{1}{2}ah\] does that help? @jessica.c

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