ちょうほうけい長方形chouhoukei
1.
A four-sided figure characterized by having all four angles equal to 90 degrees, commonly known for its usage in geometry and various applications in design and architecture.
2.
A type of quadrilateral that includes both rectangles and squares, defined by its right angles, and recognized for its symmetry and even proportions.
3.
A planar shape that is distinguished by its straight edges and corners, where opposite sides are equal in length, making it a fundamental shape in mathematical contexts.
Example:
この構成において、三角形の代わりに長方形を用いても類似の困難が生ずる。