Concurrent Lines, Medians, and Altitudes
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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| Concurrent | When 3 or more lines intersect in one point.
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| Point of Concurrency | The point at which concurrent lines intersect.
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| Circumcenter | Point of concurrency of the perpendicular bisectors of a triangle.
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| Circumscribed Circle | A circle whose center is the circumcetner of a triangle and whose radius is the distance from the circumcenter to a vertex of the triangle. A circumbscribed circle is OUTSIDE of the triangle.
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| Incenter | The point of concurrency of the angle bisectors of a triangle.
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| Inscribed Circle | A circle whose center is the incenter of a triangle and whose radius is the distance from the incenter to the side of the triangle. An insribed circle is INSIDE of the triangle.
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| Median | A segment whose endpoints are a vertex and the midpoint of the opposite side of a triangle.
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| Centroid | The point of concurrency of the medians of a triangle.
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| Altitude | The perpendicular segment from a vertex of a triangle to the line containing the opposite side.
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| Orthocenter | The point of concurrency of the lines containing the altitudes of a triangle.
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Created by:
hansonll
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