Question

Help please Math Geometry

Answer 1

It's the parallelogram. Therefore

ML = JK, JM = KL, m∠L = m∠J, m∠M = m∠K and m∠M + m∠L = 180°.

ML = 21 → JK = 21

JM = 29 → KL = 29

m∠L = 127° → m∠J = 127°

m∠M + m∠L = 180° → m∠M + 127° = 180° → m∠M = 53°

m∠M = 53° → m∠K = 53°