rhombus
Improved Answer:-
It is a rhombus because its diagonals are perpendicular to each other thus creating 4 right angles.
All quadrilateral have four angles. It is possible that all four angles are right angles, even if the quadrilateral is not a square (this would be a rectangle).
a square
no
A rectangle or square.
A quadrilateral with 4 equal sides and 4 right angles is a square.
A rectangle is a quadrilateral with four right angles True (Apex)
A square. * * * * * Or a rectangle.
Rectangle or square
A square or rectangle.
A quadrilateral is any shape with four sides; angles can be acute or obtuse. A perfect square is the only quadrilateral with only right angles.
Square, rhombus and a kite quadrilateral
Each of the four interior angles of a square (i.e. a regular quadrilateral) measures 90 degrees