2.2.1 Algebraic Proof − Worksheet (continued)
Example 4: Identity the property that justifies each statement. 11. AB ≅ AB
12. m ∠ 1 = m ∠ 2, and m ∠ 2 = m ∠ 4. So m ∠ 1 = m ∠ 4.
13. x = y, so y = x .
14. ST ≅ YZ , and YZ ≅ PR . So ST ≅ PR .
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