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If OABC is a tetrahedron such thatOA^2 +...

If OABC is a tetrahedron such that`OA^2 + BC^2 = OB^2 + CA^2 = OC^2 + AB^2` then

A

OA is perpendicular to BC

B

OB is perpendicular to CA

C

OC is perpendicular to AB

D

AB is perpendicular to BC

Text Solution

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The correct Answer is:
A, B, C
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