6.2
Shane O'Leary
Theorem 6-1
Opposite sides of a parallelogram are congruent
113+x=180
x=67
Theorem 6-2
Opposite angles of a parallelogram are congruent
3x+2=14
3x=12
x=4
3(4)+2=14
Theorem 6-3
The diagonals of a parallelogram bisect each other
Theorem 6-4
If three (or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal
x+2=y
2x=x+2+3
x=5
(5)+2=y
y=7