SOLUTION: two colum proof A line segment has three points P,Q,R (in that order on the line) Given: segment PQ=QR Prove: segment PR=2PQ

Question 914251: two colum proof
A line segment has three points P,Q,R (in that order on the line)
Given: segment PQ=QR
Prove: segment PR=2PQ
Answer by Sanjana01(2) (Show Source): You can put this solution on YOUR website!
statement
segment PQ=QR
reason
given
--------
statement
PQ+QR=PR
Reason
segment addition postulate
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statement
PQ+PQ=QR
reason
substitution property of equality steps 1,2
------------
statement
2PQ=PR
reason
Distributive property of equality
-------------
Statement
PR=2PQ
reason
symmetric property of equality
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