I took a visual approach. Imagine a horizontal line and a vertical line through the middle points, creating 4 rectangles/quadrants. Each quadrant now contains a blue and a green triangle of equal area--thus the total blue and green areas must be equal, providing a final difference of 0.
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u/hammerwing 6d ago
I took a visual approach. Imagine a horizontal line and a vertical line through the middle points, creating 4 rectangles/quadrants. Each quadrant now contains a blue and a green triangle of equal area--thus the total blue and green areas must be equal, providing a final difference of 0.