Classifying Triangles

Classifying Triangles - Transcript

09/19/11Geometry
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Classifying Triangles
Free powerpoints at http://www.worldofteaching.com
09/19/11Geometry
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Two Ways to Classify Triangles
By Their Sides
By Their Angles
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Classifying Triangles
By Their Sides
Scalene
Isosceles
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Scalene Triangles
No sides are the same length
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Isosceles Triangles
At least two sides are the same length
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Classifying Triangles
By Their Angles
Acute
Right
Obtuse
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Acute Triangles
Acute triangles have three acute angles
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Right Triangles
Right triangles have one right angle
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Obtuse Triangles
Obtuse triangles have one obtuse angle
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Classify this triangle.
Right Scalene
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Classify this triangle.
Obtuse Isosceles
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Classify this triangle.
Acute Scalene
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Classify this triangle.
Acute Isosceles
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Classify this triangle.
Obtuse Scalene
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Classify this triangle.
Right Isosceles