Solved: In Exercises 112, write a two-column proof or a flowchart proof of the
Chapter 13, Problem 9(choose chapter or problem)
In Exercises 112, write a two-column proof or a flowchart proof of the conjecture. Once you have completed the proofs, add the theorems to your list. The base angles of an isosceles trapezoid are congruent. (Isosceles Trapezoid Theorem)
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