is this figure a polyhedron? yes no

is this figure a polyhedron? yes no
Answer
Explanation:
Step1: Recall polyhedron definition
A polyhedron is a three - dimensional solid made up of flat polygonal faces, straight edges and sharp vertices.
Step2: Analyze the given figure
A cylinder has curved surfaces (the lateral surface) and circular faces. It does not have flat polygonal faces throughout.
Answer:
no