A five-sided polygon is called a "pentagon" and can be equilateral (regular) or irregular.
The word polygon (πολύγωνο in Greek) means "many kneed", referring to numerous angles in the shapes.
a pyramid
a regular star
A sphere
I am a pop can I am a
A Triangle. a polygon MUTHaf
A pentagon has five sides and five corners.
a pentagon
A pentagon
the vertices are the corners to the shape, so you count the corners to whatever shape.
pentagonpentagon?
A better name for "corners" would be angles, but the shape's name would be a hexagon
10 side shape i think
A decagon.
A pyramid with a four sided base has five faces and five corners.
a pyramid
a regular star
Any pentagon has.