Question

ABC is an isosceles triangle with AC = BC . If AB2 = 2AC2 prove that abc is a right anglr triangle.

Answer 1

Ab sq=2* ac sq
=ac sq+ ac sq (when u split it)
=ac sq+ bs sq( since AC=bc)
AB sq= ac sq + BC sq
Which satisfies the Pythagoras threom


Hence it is an equilateral triangle

Hope it helps you

Answer 2

Answer:

Step-by-step explanation:

AB2=2AC2

AB2=AC2+AC2

AB2=AC2+BC2

therefore by converse of phythagoras

b=90