which statement is true?

Question

A. all rectangles are quadrilaterals

B. All quadrilaterals are rectangles

C. all quadrilaterals are parallelograms

D. all quadrilaterals are squares

Answer 1

A. all rectangles are quadrilaterals

This statement is true. A rectangle is a type of quadrilateral with four right angles and opposite sides that are equal in length, so all rectangles are indeed quadrilaterals.