Question

Write an example of each of the following (assuming it is in 3-dimensional space).
a. A point lying on the z-axis.
b. A point lying on the xz plane.
c. A point lying on both the xy and yz planes.
d. A point lying on all three planes.
e. A point lying on none of the three planes, but equidistant from the xy and xz planes.

Answer 1

@sourwing

Answer 2

@ybarrap

Answer 3

@surjithayer

Answer 4

@Mertsj