keiasia2213 keiasia2213 19-05-2019 Mathematics contestada Which statement proves that quadrilateral JKLM is a kite? ∠M is a right angle and MK bisects ∠LMJ. LM = JM = 3 and JK = LK = . MK intersects LJ at its midpoint. The slope of MK is –1 and the slope of LJ is 1.