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OpenStudy (highschoolmom2010):
a triangle has the sides 10,15,7. is it acute, obtuse or right? ANSWER CHECK
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OpenStudy (highschoolmom2010):
\[10^2+15^2=7^2\] \[100+225=49\] \[325\neq49\] \[325>49\] it is acute correct?
OpenStudy (ybarrap):
@highschoolmom2010 , you are correct!
OpenStudy (ybarrap):
The hypotenuse is smaller than it would be if it were a right triangle, which is what you did. So smaller than 90 degrees means acute.
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