1. A quadrilateral where both pairs of opposite sides
are parallel.
PQ SP
* Don't forget the Same Side
Interior angles are supplementary.
m∠P + m∠Q = 180°
m∠R + m∠S = 180°
∠R ∠Q

2. HJ HJ 7
∠H m∠H
68°

3. Same Side
supplementary
180°
supplementary
180 °

4. KN = ML
2x - 3 = 37
2x = 40
x = 20
m∠N = m∠L
y = 123
m∠K + m∠L = 180
z = 180
z = 57°

5. bisect SM RM

6. midpoint formula
bisect
midpoint
6 + 0 2
5 + 0 ,
3, 2.5

7. ( z = 7 + 0 2 6 + 0 , z = (3.5, 3) FH = FM + HM FH = 5 + 5 FH = 10