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Unformatted text preview: - in a proof, the information you are given- in a proof, the statement you want to prove Exploration (Page 125) 4.) Exterior angle theorem-The of an exterior angle of a triangle = the of the 2 angles that are adjacent to it. Checking Key Concepts (Page 126) Sketch Hypothesis Conclusion 1. 2. 3. 4.) 5.)...
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