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16 Jan 2005, 05:02
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A triangle ABC with three sides, side a, side b and side c.
Is the angle C > 90 degree?
(1) a^2 + b^2 4
Sorry, I cannot upload the file, so I myself describe the question.
Please solve this, thanks.
Is the angle C > 90 degree?
(1) a^2 + b^2 4
Sorry, I cannot upload the file, so I myself describe the question.
Please solve this, thanks.
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16 Jan 2005, 09:54
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I will go with C for this
from I the sides can be a combination of 1 2 3 but never mroe than 3
from II no info
From I and II we knwo that c> 4 so c will be the greates side and also if sides greater than a^ + b^2 so > 90
what is the OA
from I the sides can be a combination of 1 2 3 but never mroe than 3
from II no info
From I and II we knwo that c> 4 so c will be the greates side and also if sides greater than a^ + b^2 so > 90
what is the OA
16 Jan 2005, 16:32
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Lil confused here, agree that C is the greatest side. But how can we say C is > 90 based on the given info. Say a = 3 and b = 2.25 anc c = 4.01. In this case how can we say that C > 90 or not. Plz explain. I wud go with "E".
