3 years ago

J and M are base angles of isosceles trapezoid JKLM. If mJ = 20x + 9, and mM = 14x + 15, find mK.

2 answers:

7 0

20x + 9 = 14x + 15
6x = 6 
x = 1 

 So base angles are 20 + 9 means 29 degrees. To calculate the m of angle k, subtract 29 from 180: 

180 - 29 = 151 degrees.
hope it helps

S_A_V [24]3 years ago

6 0

Answer: 151

Step-by-step explanation:

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