Comparing Segments & Midpoints
Overlay segments to compare lengths; the midpoint splits a segment into two equal parts
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Overlay segments to compare lengths; the midpoint splits a segment into two equal parts
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The most reliable way to compare two segments is the overlay method: make one endpoint of each segment coincide along the same line and look at the other ends — the longer one is obvious. The point that splits a segment into two equal segments is its midpoint: if M is the midpoint of AB, then AM = MB = half of AB. Drag, tap, and see the conclusions for yourself.
Drag segment CD onto AB and align one endpoint to compare their lengths directly and read the difference; then mark the midpoints and verify with equality ticks that the midpoint splits a segment into two equal parts.