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Classifying TrianglesClassifying Triangles Joe Griggs
Subject: Geometry
Grade Level: High School
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Two Ways to Classify TrianglesTwo Ways to Classify Triangles
By Their Sides By Their Angles
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Classifying Triangles Classifying Triangles By Their SidesBy Their Sides
Scalene Isosceles
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Scalene TrianglesScalene Triangles
No sides are the same length
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Isosceles TrianglesIsosceles Triangles
At least two sides are the same length
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Classifying TrianglesClassifying Triangles By Their Angles By Their Angles
Acute Right Obtuse
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Acute TrianglesAcute Triangles
Acute triangles have three acute angles
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Right TrianglesRight Triangles
Right triangles have one right angle
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Obtuse TrianglesObtuse Triangles
Obtuse triangles have one obtuse angle
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Classify this triangle.Classify this triangle.
Right Scalene
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Classify this triangle.Classify this triangle.
Obtuse Isosceles
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Classify this triangle.Classify this triangle.
Acute Scalene
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Classify this triangle.Classify this triangle.
Acute Isosceles
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Classify this triangle.Classify this triangle.
Obtuse Scalene
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Classify this triangle.Classify this triangle.
Right Isosceles