平行四边形 - 八下 - 18 Flashcards

1
Q

概述一下研究平行四边形的思路和方法?

A
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1
Q

平行四边形有哪些性质? 如何判定一个四边形是平行四边形?

A
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2
Q

矩形, 菱形, 正方形除了具有平行四边形的姓之外, 分别还具有哪些性质? 如何判定一个四边形是矩形,菱形, 正方形? 能总结一下研究这些性质和判定的方法吗?

A
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3
Q

利用平行四边形, 得出了三角形的中位线定理. 能仿照这一过程, 再得出一些其他几何结论吗?

A
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