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Unformatted text preview: • Example: If MX=4, find MB and XB • XB=2/3 MB ∴ XM=1/3 MB • So, MB=12 and XB=8 A O B X N M C Example Find the coordinates of the centroid of the triangle with vertices L(3,6) K(5,2) J(7,10). (Hint: graph it 1 st !) • (5,6) Altitude of a triangle • Altitude of a trianglethe ⊥ seg form a vertex to the opposite side of the line that contains the opposite side. _ _ Orthocenter • Orthocenter the lines containing the three altitudes of a triangle are concurrent, pt of concurrency is the orthocenter orthocenter Assignment Assignment...
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 Spring '11
 Jackson
 Vertex, triangle, 12 m, Ninepoint circle, 3 MB

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