Answer:
1.5 or 3/2
Step-by-step explanation:
1 1/2 = 1 + 1/2 = 1 + 0.5 = 1.5
1 1/2 = 1 + 1/2 = 2/2 + 1/2 = 3/2
The lines are perpendicular, meaning if they were to intersect, they would form four right angles.
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