Current location - Training Enrollment Network - Mathematics courses - According to the guide, what are the mathematical plane shapes of the middle class?
According to the guide, what are the mathematical plane shapes of the middle class?
Rectangular, square, triangle, parallelogram. Plane figure is a kind of geometric figure. According to the guide, there are rectangles, squares, triangles and parallelograms. A plane figure is a figure with all points on the same plane. Plane means that all the connecting lines of any two points on a surface fall on this surface, which is a two-dimensional zero curvature continuation. Such a surface is a straight line and intersects with any similar surface.