Given that angles 9 and 6x are congruent and angles 11 and 120 are congruent, we can set up the following equation to find the value of x:
6x = 120
Dividing both sides by 6, we get:
x = 20
Therefore, in order for line c to be parallel to line d, the value of x must be 20.
m<9=6x and m<11= 120. Find the value of x so that line c is parallel to line d.
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