In the given figure, / || m. Find the value of x so that the lines AB and CD are parallel.
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Answer:
15degrees
Step-by-step explanation:
if we consider l//m and AB transversal then angle LEF= angle MFB as they are corresponding angles....
now consider AB//CD and m is transversal then angle MFB = angle FHD ...
now 3x-15 and 2x are vertically opposite angles so they are equal
therefore, 3x-15=2x
3x-2x=15
x=15 degrees
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