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The following two-column proof with missing statements and reasons proves that if a line parallel to one side of a triangle also intersects the other two sides, the line divides the sides proportionally:

The following two-column proof with missing statements and reasons proves that if-example-1
User Will Sherwood
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Answer: 4.∠B ≅ ∠B; Reflexive Property of Equality

5. ΔBDE ∼ ΔBAC; Angle-Angle (AA) Similarity Postulate

Explanation:

I just took the test; this exact order should be correct. :D

The following two-column proof with missing statements and reasons proves that if-example-1
User Alligator
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