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OpenStudy (ohohaye):
Am I Right???
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OpenStudy (ohohaye):
OpenStudy (alexandervonhumboldt2):
looks like you are correct, not sure about last question
rvc (rvc):
first two correct may you show the working of the last one?
OpenStudy (ohohaye):
I sorta guessed on that one
rvc (rvc):
oh do you know the cosine formula for triangle?
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OpenStudy (ohohaye):
Isn't it a^2+b^2=c^2?
rvc (rvc):
well i think for the first one the 4th option is also applicable
rvc (rvc):
|dw:1429847826578:dw|
OpenStudy (ohohaye):
|dw:1429847995194:dw|
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