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Triangle: Sum of Interior Angles

Author:
Auston B Cron
Topic:
Angles, Geometry
If you were stranded on a desert island and had to take the GED test, there is the one rule about triangles you should bring along. Can you discover this rule? You can move the labels α, β, and γ with your mouse to read.

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  • Open Middle: Graphing Linear Inequalities (4)
  • Open Middle Cyclic Quadrilateral Exercise
  • Umbrella Holder
  • π = 4 ?
  • Open Middle Inscribed Angle Exercise (2)

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