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Mathematics - 3D Coordinate Geometry Question with Solution | TestHub

Mathematics3D Coordinate GeometryCoordinates of a point in space, Direction cosines,Easy2 minQB

MathematicsEasymultiple choice

For $A = (3, 4, 2), B = (3, 0, 2)$ and $C = (5, 0, 0)$ , which are true?

Options:(select one or more)

Answer:

A, B, C, D

Solution:

The triangle is right-angled at $B$ , so $B$ is the orthocentre and midpoint of $A C$ is the circumcentre. Both listed fourth vertices arise from the two parallelogram completions.

Stream:JEESubject:MathematicsTopic:3D Coordinate GeometrySubtopic:Coordinates of a point in space, Direction cosines,

⏱ 2mℹ️ Source: QB

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