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In Delta ABC, if sin ^(2) A+sin ^(2) B =...

In `Delta ABC,` if `sin ^(2) A+sin ^(2) B =sin ^(3)C,` then the triangle is

A

right-angled but need not be isosceles

B

right angled and isosceles

C

isosceles, but need not be right-angled

D

equilateral.

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