Chapter 1 Points, Lines, Planes and Angles
Chapter 1 Points, Lines, Planes and Angles
Chapter 1 Points, Lines, Planes and Angles
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Geo 9 Ch 1-2.2 15<br />
Geo 2.2 Properties from Algebra<br />
*Elements of Two-Column Proofs<br />
A. Two Column Proof Examples<br />
1. Example #1:<br />
2. Example #2:<br />
Given: RS = PS; ST = SQ<br />
Prove: RT PQ<br />
R<br />
S<br />
P<br />
STATEMENTS<br />
REASONS<br />
Q<br />
T<br />
1) RS = PS; ST = SQ 1) Given<br />
2) RS + ST = QS + SP 2) __________________________________<br />
3) RS + ST = RT 3) __________________________________<br />
QS + SP = QP<br />
*4) RT = QP 4) ___________________________________<br />
5) RT PQ 5) ___________________________________
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