Drill
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• Solve for x:
Homework
What does center mean?
Usually center means• in the middle• same distance from sides• same distance from angles
Where is the center of a triangle?
Sketchpad
• Median: Segment from vertex to midpoint of opposite side
• Centroid: Where medians meet• Altitude: Segment from vertex and is
perpendicular to opposite side• Orthocenter: Where altitudes meet• Perpendicular Bisector: Segment
perpendicular to a side and through its midpoint
• Circumcenter: Where perpendicular bisectors meet.
Which center is…
Equidistant from angles?
Circumcenter
Equidistant from sides?
Centroid
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