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Mathematics 17 Online
OpenStudy (anonymous):

Each answer choice shows the measures of the three angles of a triangle. Which triangle is an acute triangle? 30,30,120 degreese 40,50,90 degrees 20,50,110 degrees 50,50,80 degrees

OpenStudy (anonymous):

an acute triangle must have all sides less than 90 degrees.

OpenStudy (anonymous):

can you see the answer?

OpenStudy (anonymous):

50,50,80 ?

OpenStudy (anonymous):

yup

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