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For A(0,0,6), B(0,4,0), C(6,0,0), the median from A has length
A6
B7
Croot 52
Droot 34
Answer & Solution
Correct answer: B. 7
The midpoint of BC is (3,2,0), and its distance from A is root(9 + 4 + 36) = 7.
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