Question

Properties of square

Answer 1

opposite sides are parallel
adjacent sides are perpendicular
all sides are equal
all angles equal to 90 degrees
both diagonals are equal
diagonals bisect each other 
diagonals are perpendicular to each other
diagonal = side * √2
square is a parallelogram , kite , rhombus and a rectangle

Answer 2

Opp sides are parallel
All angles are of90
All sides are equal
Sum of all 4 angles is 360