Question #a25fd

1 Answer
Jan 2, 2018

A rectangle (which includes a square).

Explanation:

A quadrilateral with all right angles is a rectangle.

A rectangle with all right angles and all sides equal is a square.

![https://image.slidesharecdn.com/quadrilaterals-091211175009-phpapp02/95/quadrilaterals-9-728jpg?cb=1260554386](useruploads.socratic.org)