ANSWER
Quadrilateral
Rectangle
Square
EXPLANATION
1. Quadrilateral
A polygon with four sides, four angles, and four vertices is called a quadrilateral. The word 'quadrilateral' comes from the Latin words 'quadri' (four) and 'latus' (side). This could either be a square, rectangle, parallelogram etc.
2. Rectangle
A quadrilateral with four right angles is called a rectangle. It can also be called an equiangular quadrilateral because all of its angles are equal.
