Answer:
142
Explanation:
38 goes vertical to 6 and because 6 and one share a line they add up to 180 so 180 minus 38 is 142
<1 and 38 form a straight line so the lines are supplementary
<1 + 38 = 180
Subtract 38 from each side
<1+38-38 = 180-38
<1 =142
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