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Mathematics 20 Online
OpenStudy (anonymous):

if a triangle is obtuse then it has 3 measures less than 90?

OpenStudy (istim):

What do you think?

OpenStudy (alekos):

look up the definition of an obtuse angle

OpenStudy (anonymous):

it means that the triangle has one angle which is more than 90 and else 2 sharp angles

OpenStudy (anonymous):

for example |dw:1394450112368:dw|

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