Which conditional has a true converse? Select all that apply. A. If a quadrilateral is a square, then it has four congruent sides.
B. If a polygon is a triangle, then it has 3 sides.
C. If a quadrilateral 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.