Which of the following statements correctly states the converse of the isosceles property of a triangle?
a) In a triangle, if two sides are equal, the angles opposite to them are equal.
b) In a triangle, if two angles are equal, the sides opposite to them are equal.
c) In a triangle, if two angles are equal, all three sides are equal.
d) In a triangle, if two angles are equal, the third angle is 90∘.