Question

ABC is an iscoscales triangle with AC=BC if AB=AC^2then show that ABC is right triangle at C​

Answer 1

Given an isosceles triangle ABC with AC = BC, and AB2 = 2AC2. To Prove: ∆ABC is a right triangle. ⇒ ∆ABC is a right triangle right angled at C. E and F are points on the sides PQ and PR respectively of a ∆PQR.