Answer:
m = 2
Explanation:
GLI forms a 90 degree angle
Set your formula up as
90 = 9m + 25m + 22
90 - 22 = 34m
68 = 34m
68/34 = m
2 = m
2
9m + 25m + 22 = 90
34m = 90 - 22
34m = 68
m = 68 / 34
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