$\"\"$

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Given: $\"\"$

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Prove: $\"\"$

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Proof:

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$\"\"$ Statements Reasons

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a. $\"\"$ a. Given

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b. $\"\"$ $\"\"$ b.Transitive property

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c. $\"\"$ c. Definition of congruent angles

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d. $\"\"$ d.Reflexive Property

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e. $\"\"$ e. Exterior angle theorem

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f. $\"\"$ f. SAS inequality