Open Middle®
Directions: Using the values 8, 10, 12, 14, 16, 18, and 20, determine lengths for an acute triangle, a right triangle, an obtuse triangle, and a non-triangle. Source: Jonathan Lees
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Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Open Middle® problems are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.