State whether the

FALSE

As we know , A regular polygon is a shape whose sides are all the same length, and whose interior angles are all the same measure. A quadrilateral is a polygon with four sides. So a regular quadrilateral is a shape that has four equal sides, with all the interior angles equal., and in a rectangle , only the angles are equal , all the side are not equal , only opposite sides are equal.

⸫ Rectangle is not a regular quadrilateral.