What was Euclid's contribution to mathematics that's still in use today?

Question

A. his design of the sun-centered solar system
B. his textbook The Elements
C. his system of logic
D. his measurement of the size of the Earth

Answer 1

B. his textbook The Elements

Euclid's "The Elements" is a foundational work in geometry and mathematical logic that has influenced mathematics for centuries and is still studied today. It systematically presents the principles of geometry, including definitions, axioms, propositions, and proofs, and has laid the groundwork for modern mathematics.