J and M are base angles of isosceles trapezoid JKLM. If mJ = 20x + 9, and mM = 14x + 15, find mK.
2 answers:
20x + 9 = 14x + 15
<span>6x = 6 </span>
<span>x = 1 </span>
<span> So base angles are 20 + 9 means 29 degrees. To calculate the m of angle k, subtract 29 from 180: </span>
<span>180 - 29 = 151 degrees.
hope it helps</span>
Answer: 151
Step-by-step explanation:
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