Answer:
41 i did the test
Explanation:
vertical angles are equal
6x+11 =10x-9
subtract 6x from each side
11 = 4x-9
add 9 to each side
20 = 4x
divide by 4
x=5
m1 = 6x+11
m1 = 6(5) +11
m1 = 30+11
m1 = 41
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