在中，角所对的边分别是.若，则的形状是

在中，角所对的边分别是.若，则的形状是（）

A．等腰三角形 B．直角三角形 C．等腰直角三角形 D．等腰或直角三角形

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在中，角所对的边分别是.若，则的形状是

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