# Today – Monday, December 17, 2012  Q & A from Friday’s Warm up PG. 292: 1-13  Questions from HW #1  Learning Target: Use the Perpendicular Bisector.

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Today – Monday, December 17, 2012  Q & A from Friday’s Warm up PG. 292: 1-13  Questions from HW #1  Learning Target: Use the Perpendicular Bisector to solve problems  Independent practice/Check HW #1

PERPENDICULAR BISECTOR THEOREM: If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.

CONVERSE OF THE PERPENDICULAR BISECTOR THEOREM: If a point is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of the segment.

When 3 or more lines intersect in a common point it is called concurrent. The point of intersection is called the point of concurrency. Point of concurrency

CIRCUMCENTER: CONCURRENCY OF THE PERPENDICULAR BISECTOR The perpendicular bisectors of a triangle intersect at a point that is equidistant from the vertices of the triangle.

HOMEWORK #2: Page 306: 3-5, 9-17 Page 309: 34-41 If finished, work on other assignments: HW #1: Pg. 298: 3-28 all except 20

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