A quadrilateral whose all sides are equal and has four right angles is called a

A: rectangle

B: rhombus

C: kite

D: square

Explanation:

A rectangle does not have all sides of the equation.

A rhombus does not have four right angles.

A kite does not have four right angles.

A square has all the sides equal and four right angles.

Hence, Option (D) is correct.

Final Answer: A quadrilateral whose all sides are equal and has four right angles is called a square which is option (D)