A square is a regular four-sided polygon.
A hexagon is a six-sided polygon. A four-sided polygon is a quadrilateral, quadrangle, or tetragon.
A four-sided polygon has two diagonals.
The name of a 12 sided polygon is dodecagon.
The area of a four-sided polygon is base times height.
A square is a regular four-sided polygon.
A hexagon is a six-sided polygon. A four-sided polygon is a quadrilateral, quadrangle, or tetragon.
A four-sided polygon has two diagonals.
A pentagon and a quadrilateral, respectively.
The name of a 12 sided polygon is dodecagon.
The area of a four-sided polygon is base times height.
A four sided polygon with four congruent sides is a rhombusA square.
If the polygon is regular, the measure of one interior angle of a 24 side polygon is 165 degrees.
A four sided polygon is a quadrilateral.
A quadrilateral is any four-sided polygon. For that reason, by definition the properties of quadrilaterals are valid for any four-sided polygon.
The sum of the interior angles of a four-sided polygon is 360 degrees.
A four-sided polygon may be called a tetragon, quadrilateral, or quadrangle.