Answer:
Rectangle
Explanation:
Given : A prism and a plane
To Find : The intersection of the prism and the plane is a _______ cross section.
Solution:
We are given a rectangular prism
Let length be l , breadth be b and height be h
When the prism is intersected by plane , The height becomes 0 .
Length and breadth will remain same
So, the obtained figure is rectangle
So, Option B is true .
Hence The intersection of the prism and the plane is a rectangle cross section.