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7. Coordinate Geometry
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Q20 of 77 Page 7


The vertices of a triangle are A(3, 4) , B(7, 2)and C(-2, -5). Find the lengthof the median through the vertex A.


SOLUTION:

Let D be the midpoint of BC. Then the coordinate of D is
Length of the median is AD

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Questions · 77
7. Coordinate Geometry
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