Answer:
∠M = x = 40°; ∠J = ∠L = 80°; ∠K = 160°
Step-by-step explanation:
The sum of angles in a quadrilateral is 360°, so we have ...
4x° +2x° +x° +2x° = 360°
9x = 360
x = 40
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m∠JKL = 4x° = 160°
m∠KLM = 2x° = 80°
m∠LMJ = x° = 40°
m∠MJK = 2x° = 80°
