Segments, Lines & Rays
A segment has 2 endpoints, a ray has 1, a line has none โ only segments can be measured
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A segment has 2 endpoints, a ray has 1, a line has none โ only segments can be measured
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One line, three forms: a segment has endpoints at both ends and a length you can measure; a ray has one endpoint and extends forever the other way; a line has no endpoints and extends both ways. Tap the buttons to switch, watch endpoints disappear while arrows keep running outward, then read the feature table to tell the three apart.
Switch between segment, ray and line on one canvas: both ends of a segment are locked and measurable, a ray's arrows run outward one way forever, a line's arrows run both ways. A feature table compares endpoints, measurability and extension side by side.