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A 3-sided figure is called a triangle.

Triangle

A triangle.

A triangle

In 2 dimensions, a regular 5 sided figure is a pentagon. In 3 dimensions, there is no regular sided 5 sided figure. The tetrahedron is a regular 4 sided figure and a cube is a regular 6 sided figure.

A four sided figure is called a quadrilateral.

A seven sided figure is called a heptagon.

An eight sided figure is called an octagon.

A 12-sided figure is called a dodecagon.

A six-sided plane figure is called a hexagon.

A six sided figure is called a hexagon.

A six sided figure is called a hexagon.

An 8 sided figure is an octagon.

Yes, an eight-sided figure is called an octagon.

pentagon A pentagon. A 5-sided figure is called a pentagon. pentagon A five sided figure is called a pentagon

A 12 sided figure is called a dodecagon. A 3-dimensional shape with 12 faces is called a dodecahedron.

A 15-sided figure is called a pentadecagon.

A 5 sided figure is called a: pentagon

A five sided figure is a pentagon.

An 11 sided figure is called a hendecagon, an undecagon, or a 11-gon.

A 5-sided figure is called a pentagon.

A six sided figure is called a hexagon, as "hex" means "six."

A ten sided figure is called a Decagon. ( i think that's how you spell it. )

A three-sided, two-dimensional polygon is called a "triangle".

Square pyramid.