Answer:
∠ K = 129° , ∠ M = 93°
Step-by-step explanation:
the figure has one pair of parallel sides and is therefore a trapezoid.
• Each lower base angle is supplementary to the upper base angle on the same side , then
∠ K = 180° - 51° = 129°
∠ M = 180° - 87° - 93°
