SOLUTION: Two colum proofs Given: B is between A and D, C is between B and D Prove: AD = AB+BC+CD

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Question 658589: Two colum proofs
Given: B is between A and D, C is between B and D
Prove: AD = AB+BC+CD
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
Segment ABCD - Given
AB+%2B+BC+=+AC+- Segment Addition
AC+%2B+CD+=+AD - Segment Addition
AB+%2B+BC+%2B+CD+=+AD - Substituion