Geometry

Question Analysis
This question tests the understanding of the relationship between the given lines based on their slopes.

Key Concept Explanation
Slope formula:
Two lines are parallel if their slopes are equal. ()
Two lines are perpendicular if the product of their slopes is -1. ()

Step-by-step Solution

1. Identify the slopes of both lines from the graph.
2. Calculate the slope of the black line with points (0, 10) and (8, 16): 

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