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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
"Do Now"
1. Grab an Entrance Ticket from Ms. Stalvey
2. Read the new Quote of the Week
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Go Over Unit 5 Tests
Progress Reports bring back to get lowest quiz grade dropped!
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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http://testing.davemajor.net/icecream/
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Where is the "Center"?
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Unit 6: Relationships in Triangles5.1 Bisectors of Triangles
Date
Concurrent Lines When 3 or more lines intersect at a common point, they are concurrent
Point ofConcurrency
The common point where concurrent lines intersect
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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Graphic Organizer
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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Perpendicular BisectorTheorem
If a point is on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.
Converse of Perpendicular Bisector
Theorem
If a point is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of the segment
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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Where could the Circumcenter be located?
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Angle BisectorTheorem
If a point lies on the angle bisector, then it is equidistant from the sides of the angle.
Converse of Angle Bisector
Theorem
If a point in the interior of an angle is equidistant from the sides of the angle, then it is on the angle bisector.
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Where could the Incenter be located?
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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Median A segment from a vertex to the midpoint of the opposite side
Every triangle has 3 medians.
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November 11, 2013
Where could the Centroid be located?
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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Altitude Perpendicular height of a triangle (from one vertex to the opposite side)
Every triangle has 3 altitudes
An altitude could lie within the triangle (acute), on the triangle (right), or outside the triangle (obtuse)
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5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
Where could the Orthocenter be located?
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November 11, 2013
5.1 5.2 Bisectors of Triangles and Medians of Triangles.notebook
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November 11, 2013
All of my children are bringing in peanut butter cookies!
All of: Altitudes orthocenter
My children: Medians centroid
Are bringing in: Angle bisectors incenter
Peanut butter cookies Perpendicular bisectors circumcenter
Pneumonic to help you remember the centers!
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Tonight's HW:
pg. 329 (1214)pg. 330 (#2430 even)
pg. 340 (#59 odd, 1619)