If $A , B , C$ are the angles of a triangle and $\sin ^ { 2 } A + \sin ^ { 2 } B = \sin ^ { 2 } C$, then $C$ is equal to (A) $30 ^ { \circ }$ (B) $90 ^ { \circ }$ (C) $45 ^ { \circ }$ (D) none of the above
If $A , B , C$ are the angles of a triangle and $\sin ^ { 2 } A + \sin ^ { 2 } B = \sin ^ { 2 } C$, then $C$ is equal to\\
(A) $30 ^ { \circ }$\\
(B) $90 ^ { \circ }$\\
(C) $45 ^ { \circ }$\\
(D) none of the above