Asked by Keeyanah

How can you use a right angle to determine the classification of another angle
Answered by Ms. Sue
A triangle has 180 degrees. A right angle measures 90 degrees. Therefore each of the other angles adds up to less than 90 degrees.

http://www.algebralab.org/lessons/lesson.aspx?file=Geometry_AnglesAcuteRightObtuse.xml
Answered by Greta
A triangle has 180 degrees
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