Question

how many edges does this shape have?

Explanation:

Step1: Recall edge - definition

An edge is a line - segment where two faces of a polyhedron meet.

Step2: Count edges of rectangular prism

A rectangular prism has 4 edges on the top face, 4 edges on the bottom face, and 4 vertical edges connecting the top and bottom faces. So in total, \(4 + 4+4=12\).

Answer:

12