Answer:
m<H = 59°
Explanation:
Use the theorem on the measure of an exterior angle of a triangle.
5x + 17 + 6x - 1 = 126
11x + 16 = 126
11x = 110
x = 10
m<H = 6x - 1
m<H = 6(10) - 1
m<H = 60 - 1
m<h=59º
126=6x-1+17+5x
126=11x+16
126-16=11x
120-10=11x
110=11x
10=x
6(10)-1=59
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