to solve the equation a-20=15 ,we use euclid's ______ axiom. Share with your friends Share 0 Rishabh Mittal answered this Dear Student , Here is the similar link for your query : https://www.meritnation.com/ask-answer/question/solve-a-15-25-state-which-equildean-axiom-do-you-use-here/introduction-to-euclid-s-geometry/8048037 We hope the above link will help you in clearing the doubt . Regards 2 View Full Answer