McGraw Hill Glencoe Geometry, 2012
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McGraw Hill Glencoe Geometry, 2012 View details
1. Classifying Triangles
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Exercise 15 Page 241

Check the angle measures.

Obtuse

Practice makes perfect

In the given diagram, we can see that one of the angles of the triangle has a measure of Since is greater than and less than the angle is obtuse.

Since this triangle has an obtuse angle, it is an obtuse triangle.