Which conditional has a true converse? Select all that apply
А If a quadrilateral is a square, then it has four congruent sides,
B
If a polygon is a triangle, then it has 3 sides.
С.
If a quadrlateral is a rectangle, then it has two pairs of parallel sides,
D
If a number is even, then it is divisible by 2
E
If a number is prime, then the only factors of the number are itself and 1.