Prove that the least perimeter of an isosceles triangle in which circle or radius r can be inscribed is 6root3 r Share with your friends Share 21 Abhishek Kr. Jha answered this Please follow the given link:https://www.meritnation.com/ask-answer/question/prove-that-the-least-perimeter-of-an-isoceles-triangle-in-wh/math/7025311 -34 View Full Answer