The given figure can be described as a rectangular solid or a prism or a polyhedron.
What is a rectangular solid?
"A rectangular solid is a 3-dimensional object with six sides, all of which are rectangles."
What is a prism?
"A prism is a 3-dimensional shape with two identical shapes facing each other. These identical shapes are called bases."
What is a polyhedron?
"A polyhedron is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices."
The given figure is not a pyramid. This is because, all the side planes are not meeting at a point.
Similarly, the given figure is not a polygon. This is because polygon is a two-dimensional geometrical figure.
Learn more about polyhedron here: https://brainly.com/question/4442699
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