Determine missing angle measures in a triangle using the fact that the sum of the interior angles of a triangle is 180°. Use models to illustrate this fact
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G6
Measure angles within triangles
Spatial Reasoning
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G6
Measure or calculate angles within triangles
Spatial Reasoning
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G6
Establish the angle sum of a triangle using geometric arguments
Spatial Reasoning
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G6
Use the angle sum of a triangle to solve problems
Spatial Reasoning
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Determine missing angle measures in a triangle using the fact that the sum of the interior angles of a triangle is 180°. Use models to illustrate this fact.