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OpenStudy (anonymous):
Use three or more sentence to explain why a triangle can not have a right angle and an obtuse angle.
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OpenStudy (anonymous):
because the sum of angles ina triangle is supposed to be 180degrees
OpenStudy (anonymous):
thats only half a sentence :)
OpenStudy (anonymous):
and an obtuse angle is more than 90 degrees so adding that to a right angle would give the answer more than 180
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