Four

作者：yen23022006

主題：幾何

If AB is parallel to DC, angle ABC is equal to angle CDA, and angle BCD is equal to angle DAB, and segment AX is equal to segment XC, then ABCD is a parallelogram. True

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Tessellating a Plane
Transforming Function Families
Transformations warm up 1.1
Polygonmetoden
quadrilateral inside circle

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球形
角度
雙曲線
二項分布
周長

Four

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