A rhombus.
It is a rectangle
square
A quadrilateral with four sides of equal length is called a rhombus. In addition to having equal side lengths, a rhombus also has opposite angles that are equal and adjacent angles that are supplementary. If all angles are right angles, it is specifically a square, which is a special type of rhombus.
Quadrilateral means four sides. Four right angles and four sides is a rectangle and if the sides are equal length it is a square.
a rectangle. It wouldn't be a square because that has 1 pair of 4 equal side but a rectangle has 2 pairs of equal sides and 4 right angles.
It is a rectangle
square
Quadrilateral means four sides. Four right angles and four sides is a rectangle and if the sides are equal length it is a square.
a rectangle. It wouldn't be a square because that has 1 pair of 4 equal side but a rectangle has 2 pairs of equal sides and 4 right angles.
A rhombus. Commonly referred to as a "diamond".
A quadrilateral with four sides of equal length is called a rhombus. In addition to having equal side lengths, a rhombus also has opposite angles that are equal and its diagonals bisect each other at right angles. If all angles are also equal, it becomes a special case known as a square.
a square
A square would fit the given description
A quadrilateral with two sets of parallel side and right angles is called a rectangle. If all the sides are the same size it is also called a square.
a regular quadrilateral is a square that has all the same angles (right) and side measurements.
Square
that's a square