Parallel lines, do not meet each other, Ray, has only starting point, line segment, 2 end points, rectangle, 4 sides and opposites are equal, Triangle, 3 corners or vertices, Square, All 4 sides are equal, Point, It has no thickness

GEOMETRY

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？