Mathematics - 3D Coordinate Geometry Question with Solution | TestHub

Mathematics3D Coordinate GeometryPerpendicular distance of a point from a planeEasy2 minQB

MathematicsEasysingle choice

A regular tetrahedron has edge length $ℓ$ . The minimum distance of a vertex from the opposite face is

Answer:

Solution:

Using $V = ℓ^{3} / (62) = \frac{1}{3} (3 ℓ^{2} /4) h$ gives $h = 2/3 ℓ$ .

Stream:JEESubject:MathematicsTopic:3D Coordinate GeometrySubtopic:Perpendicular distance of a point from a plane

⏱ 2mℹ️ Source: QB

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