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Triangle Classification by Angles

Identify triangles as acute, right, obtuse or equiangular.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Triangle Classification by Angles

Learn how to classify different types of triangles by their angles.
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• PLIX

Forest Camp

Triangle Classification by Angles Interactive
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• Video

Angle Relationships and Types of Triangles

by CK-12 //basic
Explains angle relationships and different types of triangles.
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Angle Activities

by Kyle Bardman //basic
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Angle Activities

by Isha //basic
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• Flashcards

Triangle Classification by Angles

by Tiffany Kwok //basic
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