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## A point the same distant from 2 or more objects

Equidistant

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## When 3 or more lines intersect at 1 point

Concurrent

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## The point where they all intersect

Point of concurrency

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## Is the point of concurrency of the three perp. bisectors of a triangle

Circumcenter of the Triangle

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## A circle that contains all the vertices of a polygon

Circumscribed

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## The point of concurrency of three angle bisectors of a triangle

Incenter of the Triangle

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## The point of concurrency of the medians of the triangle

Centroid of the Triangle

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## Is a perpindicular segment from a vertex of the line containing the opposite side.

Altitude of a Triangle

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## The point of concurrency of the three altitudes of a triangle

Orthocenter of the Triangle

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## A segment that joins the midpoints of two sides of a triangle

Midsegment of a Triangle

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## A set of nonzero whole numbers a,b, and c such that a2+b2=c2

Pythagorean Triple

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