菱形的性质 极其重要的问题，急求解答！

中文回答：

菱形是一个具有独特性质的几何图形。它的主要性质包括：

四条边等长：菱形的四条边都相等，这是它最显著的特点。

对角线互相垂直且平分：菱形的两条对角线不仅互相垂直，而且互相平分，形成四个直角。

对称性：菱形是中心对称图形，也是轴对称图形。它的对称中心是对角线的交点，同时它也有两条对称轴，分别是两条对角线所在的直线。

内角和为360度：和所有四边形一样，菱形的内角和也是360度。

对角相等：菱形的对角相等，即两组对角分别相等。

English Answer：

A diamond (or rhombus) is a geometric figure with unique properties. Its main characteristics include:

Equal sides: All four sides of a diamond are equal in length, which is its most prominent feature.

Perpendicular and bisecting diagonals: The two diagonals of a diamond are not only perpendicular to each other but also bisect each other, forming four right angles.

Symmetry: A diamond is both centrally symmetric and axisymmetric. Its center of symmetry is the intersection of the diagonals, and it has two axes of symmetry, which are the lines along the diagonals.

Interior angles sum to 360 degrees: Like all quadrilaterals, the sum of the interior angles of a diamond is also 360 degrees.

Equal opposite angles: The opposite angles of a diamond are equal, meaning that each pair of opposite angles is equal.

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