For a quadrilateral to be a say, the diagonals must be

For A Quadrilateral To Be A Say The Diagonals Must Be class=

Answer :

Answer:

congruent and perpendicular

Step-by-step explanation:

Answer:

Congruent and perpendicular

Step-by-step explanation:

the diagonals of a square are perpendicular because they bisect each other to form an angle 90 degrees

the sides and angles are congruent because the sides are the same length and the angles have the same size and measure