Q. Which one of following propositions does not belong to Thales credit? (Solved)
1. Any diameter of the circle divides it into equal parts
2. The angles at the base of an isosceles triangle are equal
3. When two straight lines cross, the opposite angles are equal.
4. Algebraic methods to solve equations of the first and second degree
- d. Algebraic methods to solve equations of the first and second degree