In geometry, three or more lines are said to be concurrent if they intersect at a single point. In a triangle, four basic types of concurrent lines are altitudes, angle bisectors, medians, and perpendicular bisectors: In a triangle, altitudes run from each vertex and meet the opposite side at right-angles. The point where three altitudes meet is the orthocenter. Angle bisectors are rays running from the bisector of each angle of the triangle. They all meet at the incenter.

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  • In geometry, three or more lines are said to be concurrent if they intersect at a single point. In a triangle, four basic types of concurrent lines are altitudes, angle bisectors, medians, and perpendicular bisectors: In a triangle, altitudes run from each vertex and meet the opposite side at right-angles. The point where three altitudes meet is the orthocenter. Angle bisectors are rays running from the bisector of each angle of the triangle. They all meet at the incenter. Medians connect the vertices in a triangle to the midpoint of the opposite side. They meet at the centroid. Perpendicular bisectors are lines running out of the midpoint of each side in a triangle at 90 degree angles. They meet at the circumcenter. Compare to collinear. In projective geometry, concurrency is the dual of collinearity.
  • Drie of meer lijnen heten concurrent als zij een gemeenschappelijk snijpunt hebben. Het concurrent zijn van lijnen is het duale van collineair zijn van punten.
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  • In geometry, three or more lines are said to be concurrent if they intersect at a single point. In a triangle, four basic types of concurrent lines are altitudes, angle bisectors, medians, and perpendicular bisectors: In a triangle, altitudes run from each vertex and meet the opposite side at right-angles. The point where three altitudes meet is the orthocenter. Angle bisectors are rays running from the bisector of each angle of the triangle. They all meet at the incenter.
  • Drie of meer lijnen heten concurrent als zij een gemeenschappelijk snijpunt hebben. Het concurrent zijn van lijnen is het duale van collineair zijn van punten.
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  • Concurrent lines
  • Concurrent (wiskunde)
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