Give an example of three planes that satisfy the conditions listed below.

​(a) They intersect in a single point.

​(b) They do not intersect.

​(c) They intersect in infinitely many points.

​Find three planes that intersect in a single point. Choose the correct answer below

A.

the floor of three different levels of an office building

B.

three continuous pages of a book

C.

three edges of a piece of paper

D.

two perpendicular walls and the ceiling in a normal room