Question

the quadrilateral whose all sides are equal and all angles are right is called ----------​

Answer 1

Answer:

Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles. An equivalent condition is that opposite sides are parallel (a square is a parallelogram), and that the diagonals perpendicularly bisect each other and are of equal length.

Step-by-step explanation:

Answer 2

Answer:

the quadrilateral whose all sides are equal and all angles are right is called - Square