If `OABC` is a tetrahedron such that `OA^2 + BC^2 = OB^2 + CA^2 = OC^2 + AB^2` then
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Q 1217801789.
If `OABC` is a tetrahedron such that `OA^2 + BC^2 = OB^2 + CA^2 = OC^2 + AB^2` then
(This question may have multiple correct answers)
A
`OA` is perpendicular to `BC`
B
`OB` is perpendicular to `CA`
C
`AB` is perpendicular to `BC`
D
`OC` is perpendicular to `AB`
HINT
Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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