Q. The number of planes that are equidistant from four non-coplanar points is
A) 3
B) 4
C) 7
D) 9
Explanation
(c)
Let the point be $A,\ B,\ C$ and $D$
The number of planes which have three points on one side and the fourth point on the other side is 4. The number of planes which have two points on each side of the plane is 3
$\Rightarrow$ Number of planes is 7
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.