Altitudes, Medians, and Perpendicular Bisectors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Altitude | Segment from a vertex of the triangle, perpendicular to the opposite side (or line containing the opposite side) of the triangle.
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| Perpendicular Lines | Have slopes that are opposite reciprocals.
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| Point of Concurrency | The point where three or more lines intersect.
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| Orthocenter | Point of concurrency of the altitudes of a triangle.
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| Median | Segment from a vertex of the triangle to the midpoint of the opposite side of the triangle.
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| Centroid | The point of concurrency of the medians of a triangle.
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| Circumcenter | Point of concurrency of the perpendicular bisectors of a triangle.
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| Incenter | Point of concurrency of the angle bisectors of a triangle.
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| Inscribed Circle | A circle inside a triangle where the incenter is the center of the circle and the radius is equal to the distance from the incenter to any of the three sides of the triangle.
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| Circumscribed Circle | A circle that contains all the vertices of a polygon.
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Created by:
Lorri-Clue
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