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Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

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9–4 TrianglesBUILD YOUR VOCABULARY (pages 219–220)MAIN IDEA• Classify triangles andfind missing anglemeasures in triangles.A triangle with allacute triangle.A triangle withtriangle.A triangle with oneobtuse triangle.angles is called anis called a rightangle is called anEXAMPLES Classify a Triangle by Its AnglesClassify each triangle as acute, right, or obtuse. Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc. The 90° angle is a right angle. So, the triangle is atriangle. All the angles aretriangle.Check Your Progressright, or obtuse.a.. So, the triangle is anClassify each triangle as acute,b.Math Connects, Course 1 227

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