Classifying Triangles Using Angles R8-3
Third and fourth graders classify each of six triangles by their angle measurements: acute, right, or obtuse. They answer three questions about the triangles in a rocket ship drawing.
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New Review Classifying Triangles: Lesson
That's correct, it is right and scalene. The video introduces the two methods for classifying triangles, sides, and angles. A resource in the playlist for basic geometry provides the definitions for each of the classifications.
5 mins 4th - 8th Math CCSS: Adaptable