A mathematician known for his contributions to geometry.

A fundamental basis for geometric concepts.

भूगणित के मौलिक सिद्धांत

English Usage: "The principles laid down by Euclid are still taught in schools today."

Hindi Usage: "यूक्लिड द्वारा बताए गए सिद्धांत आज भी स्कूलों में पढ़ाए जाते हैं।"