Triangle Inequality Theorem
Students visualize triangles and the numbers that describe the three sides. They investigate the triangle inequality theorem which allows them to tell the shape of the triangle when given the lengths of each side.
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New Review Geometer Sherlock: Triangle Investigations
Deduce quite elementary relationships within triangles. Small groups work through three investigations of triangles. The investigations use patty paper to determine the Triangle Sum Theorem and the relationship between the angle size and...
8th - 10th Math CCSS: Designed
New Review Triangle Inequality Theorem: Lesson
Can any three lengths make a triangle? One of the videos in a playlist on basic geometry introduces the Triangle Inequality Theorem. Using three given lengths, the presentation illustrates the restrictions on lengths of any side of a...
5 mins 6th - 12th Math CCSS: Adaptable