Solution:
The two bars on LM and LK define that both are congruent.
This means that:
Since ∠K is 42°, ∠M is also 42° because ∠K and ∠M are the bottom angles of the triangle.
Sides KL and LM are shown to be the same. This means bothe the lower angles are also the same.
KML = 42 degrees
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