abc is isoscelles triangle,ac=bc.if ab*ab=2(ac*ac), prove that abc is right triangle?

Asked by  | 21st Aug, 2008, 02:50: PM

Expert Answer:

It is given that ab*ab = 2(ac*ac)

ab*ab = (ac*ac) + (ac*ac)

ab*ab = (ac*ac) + (bc*bc)                        (since, ac = bc)

Thus, ABC is a right angled triangle.     (by pythagoras theorem)

Answered by  | 21st Aug, 2008, 08:43: PM

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