MWarrenVideos
8 意见 · 09/18/19
ElemScienceMath
195 意见 · 03/30/23
quadrilateral
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19 意见·
03/08/23
The unknown side of a quadrilateral is the side that is not on the main diagonal. This is usually the side that is not on the hypotenuse or the side that is not on the other two sides.
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MWarrenVideos
8 意见 · 09/18/19
ElemScienceMath
195 意见 · 03/30/23
