Term
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Definition
| The point of concurrency of the perpendicular bisectors of a triangle. |
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Definition
| The Circumcenter of a triangle is equidistant from the vertices of the triangle. |
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Term
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Definition
| The point of concurrency of the angle bisectors of a triangle. |
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Term
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Definition
| The incenter of a triangle is equidistant from each side of the triangle. |
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Term
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Definition
| The point of concurrency for the medians of a triangle. |
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Term
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Definition
| The centroid of a triangle is located 2/3 of the distance from a vertex to the midpoint of the side opposite the vertex on a median. |
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Term
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Definition
| The point of concurrency of the altitudes of a triangle. |
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Term
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Definition
| A segment from a vertex of the triangle to the line containing the opposite side and perpendicular to that side. |
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Term
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Definition
| A line, segment or ray that passes through the midpoint of a side and is perpendicular to that side. |
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Term
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Definition
| A ray that divides an angle into two congruent angles. |
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Term
| Exterior Angle Inequality Theorem |
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Definition
| The measure of an exterior angle of a triangle is greater than the measure of either of its corresponding remote interior angles. |
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Term
| Triangle Inequality Theorem |
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Definition
| The sum of the lengths of any two sides of a triangle is greater than the length of the third side. |
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