What was Euclid's contribution to mathematics that's still in use today ? (point) his textbook The Elements his design of the sun-centered solar system his system of logic his measurement of the size of the Earth

Answer 1

Euclid's major contribution to mathematics that is still in use today is his textbook "The Elements." This work systematically compiled and organized the knowledge of geometry of his time and laid the groundwork for logic and proof in mathematics, which are foundational to the field.