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

HJ 13 13 HJ 7 ∠H m∠H 68° 7 68

Same Side supplementary 180° supplementary 180 180 65 115°

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

bisect SM RM

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

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