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In a triangle ABC , if the mid-points of...

In a triangle ABC , if the mid-points of sides AB, BC, CA are (3,0,0),(0,4,0),(0,0,5) respectively, then `AB^(2) +BC^(2) +CA^(2) = `

A

50

B

200

C

300

D

400

Text Solution

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The correct Answer is:
D
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