如果您用三角形的角度进行测试，那么可能的类型是直角、锐角、钝角或等角三角形。

If you test by the triangle's angles, possible types are right, acute, obtuse, or equiangular.

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一种带有四个等边构成两个内钝角和两个锐角的图形；菱形或菱形物。

A figure with four equal sides forming two inner obtuse Angles and two inner acute Angles; a rhombus or lozenge.

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一种带有四个等边构成两个内钝角和两个锐角的图形；菱形或菱形物。

A figure with four equal sides forming two inner obtuse Angles and two inner acute Angles; a rhombus or lozenge.

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