Question

why a square is not rectangle reason

Answer 1

 a square is a special kind of rectangle, it is one where all the sides have the same length. Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rectangle is a square, to be a square its sides must have the same length.

Hope this will help you
Mark as brainliest if you like

Answer 2

because rectangle didn't have all sides equal