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Mathematics 9 Online
OpenStudy (anonymous):

Use three or more sentence to explain why a triangle can not have a right angle and an obtuse angle

OpenStudy (mathstudent55):

The sum of the measures of the angles of a triangle is 180. The measure of a right angle is 90 degrees. The measure of an obtuse angle is more than 90 degrees. Their sum is greater than 180 degrees.

OpenStudy (anonymous):

thanks!

OpenStudy (mathstudent55):

yw

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