It is a rhombus - of which, a square is a special case.
square, rhombus
A rhombus is a quadrilateral with 4 equal sides and if the angles are also all equal that that rhombus is a square.
square
A rhombus is a quadrilateral with four equal sides.
All sides equal but not all angles.
It is a parallelogramIf one of the angles is a right angle (then they all are) and the quadrilateral is a rectangle.If both pairs of sides are equal in length (but none of the angles is a right angle) the quadrilateral is a rhombus.If the sides are equal and one of the angles is a right angle, the quadrilateral is a square.
A triangle can't be a quadrilateral because quadrilateral means it has to have 4 sides and they have to be equal and a triangle can only have 3 sides and doesn't have to be all equal sides. * * * * * Mainly correct, but the sides of a quadrilateral do not have to be equal.
A rhombus is a quadrilateral with 4 equal sides and if the angles are also all equal that that rhombus is a square.
a rectangle
square
A rhombus is a quadrilateral with four equal sides.
A quadrilateral.
The sum of the four sides of a quadrilateral is equal to its perimeter.
Not always because a quadrilateral is any type of polygon that has 4 sides which may not be all equal.
A quadrilateral with 4 equal sides is called a square
All sides equal but not all angles.
360 degrees
parralelogram