Mathematics - 3D Coordinate Geometry Question with Solution | TestHub
Mathematics3D Coordinate GeometryCoordinates of a point in space, Direction cosines,Medium2 minQB
MathematicsMediumsingle choice
The four lines drawn from the vertices of any tetrahedron to the centroid of the opposite faces meet in a point whose distance from each vertex is times the distance from each vertex to the opposite face, where is
Options:
Answer:
C
Solution:
Let be the vertices of the tetrahedron. If E is the centroid of face BCD and G is the centroid of ABCD, then . So .
Stream:JEESubject:MathematicsTopic:3D Coordinate GeometrySubtopic:Coordinates of a point in space, Direction cosines,
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
