Cách sử dụng
The word 'rectangular' is used to describe a shape or object that has four straight sides, with 90 degree angles and opposite sides that are equal in length. It is often used to describe things like paper, boxes, rooms, or buildings that have a rectangular shape. For example, a book is rectangular because it has two longer sides and two shorter sides that are at right angles to each other. You might use the word 'rectangular' when you want to describe the shape of something or talk about its proportions.