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4 cards from this section. Quick, good the night before a test.
What is the centroid of a triangle?
Think about where the triangles balance.
What is the incenter?
Consider the circle inside the triangle.
The centroid divides each median in what ratio?
Think about balancing the triangle.
True or False: The incenter is equidistant from all three sides.
Recall the properties of the incenter.
Given a triangle with vertices A(1,2), B(4,6), and C(6,1), determine the coordinates of the centroid.
Use the average of the vertex coordinates.
Construct a triangle ABC. Bisect each angle to find the incenter. Discuss its significance relating to the sides.
Draw the triangle first!
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