| A | B |
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| PERPENDICULAR BISECTOR THEOREM = If a point is on the perpendicular bisector of a segment, then what ? | then the point is equidistant from the endpoints of the segment. |
| PERPENDICULAR BISECTOR CONVERSE = If a point is equidistant fro the endpoints of a line segment, then it is what ? | then it lies on the perpendicular bisector of the segment. |
| ANGLE BISECTOR THEOREM = if a point is on the bisector of an angle, then it is what ? | then it is equidistant from the two sides of the angle. |
| ANGLE BISECTOR CONVERSE = If a point is on the interior of a angle and is equidistant from the sides of an angle, then it is what ? | then it lies on the bisector of an angle. |
| CONCURRENCY PROPERTIES = The lines containing the the "perpendicular bisectors" of a triangle are what ? | They are "concurrent". |
| What is "the common point" of the "perpendicular bisectors" of a triangle called ? | The "common point" of the "perpendicular bisectors" of a triangle is called the "CIRCUMCENTER". |
| The "angle bisectors" of a triangle are what ? | The "angle bisectors" of a triangle are "concurrent". |
| What is "the common point" of teh "angle bisectors" of a triangle called ? | The "common point" of the "angle bisectors" of a triangle is called the "INCENTER". |
| The "medians" of a triangle are what ? | The "medians" of a triangle are concurrent. |
| What is "the common point" of the "medians" of a triangle called ? | The "common point" of the "medians" of a triangle is called teh "CENTROID". |
| The "altitudes" of a triangle are what ? | The "altitudes" of a triangle are "concurrent". |
| What is "the common point" of the "altitudes" of a triangle called ? | The "common point" of the "altitudes" of a triangle are called the "ORTHOCENTER". |
| MIDPOINT THEOREM = The segment connecting the "midpoints" of two sides of a traingle is what ? | is "PARALLEL TO THE THIRD SIDE" and is "HALF ITS LENGHT". |
