right angle

简明释义

直角

英英释义

例句

1.The two walls meet at a right angle.

这两面墙在一个直角处相交。

2.In geometry, a triangle with one right angle is called a right triangle.

在几何学中，具有一个直角的三角形称为直角三角形。

3.When measuring the corners of a room, ensure they form a right angle.

测量房间的角落时，确保它们形成一个直角。

4.The carpenter used a square to check if the frame had a right angle.

木匠使用方尺检查框架是否有一个直角。

5.To create a perfect square, each corner must be a right angle.

要创建一个完美的正方形，每个角都必须是一个直角。

作文

In geometry, a right angle is defined as an angle that measures exactly 90 degrees. It is one of the fundamental concepts in mathematics and plays a crucial role in various fields, including architecture, engineering, and art. Understanding the properties and applications of a right angle can greatly enhance our ability to create and analyze shapes and structures. To visualize a right angle, consider the corner of a square or rectangle. When two lines intersect at a right angle, they form a perfect L shape. This characteristic makes it easy to determine whether angles are right angles when constructing objects or designing spaces. For instance, carpenters often use a framing square, which is a tool specifically designed to ensure that corners form right angles. The significance of right angles extends beyond mere measurement; they are essential in creating balance and symmetry in designs. In architecture, buildings are often constructed with right angles to ensure stability and aesthetic appeal. A well-designed room typically features right angles at its corners, contributing to a sense of order and harmony. Moreover, right angles are vital in trigonometry, where they serve as the basis for defining sine, cosine, and tangent functions. These functions are instrumental in solving problems related to triangles, particularly in the case of right triangles. A right triangle, characterized by one right angle, allows for the application of the Pythagorean theorem, which relates the lengths of the sides of the triangle. In everyday life, we encounter right angles frequently. For example, when arranging furniture in a room, ensuring that tables and chairs form right angles with the walls creates a more functional and visually appealing space. Additionally, in graphic design, artists often utilize right angles to create clean lines and structured layouts, enhancing the overall composition of their work. Furthermore, the concept of a right angle transcends physical dimensions and can be applied metaphorically. In discussions about decision-making or problem-solving, one might refer to taking a 'right angle' approach, meaning a method that is straightforward and effective. This metaphorical use illustrates how the principles of geometry can influence various aspects of our lives. In conclusion, a right angle is more than just a mathematical term; it is a fundamental element that shapes our understanding of space, design, and even our decision-making processes. By recognizing the importance of right angles in both practical applications and theoretical concepts, we can appreciate the beauty and utility of geometry in our everyday lives.

在几何学中，直角被定义为一个角度，恰好测量为90度。它是数学中的基本概念之一，在建筑、工程和艺术等各个领域都发挥着至关重要的作用。理解直角的性质和应用，可以大大增强我们创造和分析形状与结构的能力。要想象直角，可以考虑一个正方形或矩形的角落。当两条线以直角相交时，它们形成一个完美的L形。这一特征使得在构建物体或设计空间时，容易判断角度是否为直角。例如，木匠通常使用框架方尺，这是一种专门用于确保角落形成直角的工具。直角的重要性不仅仅在于测量；它们在设计中创建平衡和对称性方面至关重要。在建筑中，建筑物通常以直角构建，以确保稳定性和美观性。一个设计良好的房间通常在其角落具有直角，这有助于营造秩序感和和谐感。此外，直角在三角学中至关重要，它们是定义正弦、余弦和正切函数的基础。这些函数对于解决与三角形相关的问题尤其重要，特别是在直角三角形的情况下。直角三角形以一个直角为特征，使得可以应用毕达哥拉斯定理，该定理涉及三角形边长之间的关系。在日常生活中，我们经常遇到直角。例如，在一个房间里安排家具时，确保桌子和椅子与墙壁形成直角，可以创建一个更实用且视觉上更吸引人的空间。此外，在图形设计中，艺术家们常常利用直角来创建干净的线条和结构化的布局，从而增强他们作品的整体构图。此外，直角的概念超越了物理维度，也可以隐喻地应用。在关于决策或解决问题的讨论中，人们可能会提到采取“直角”的方法，意味着一种简单有效的方法。这种隐喻的使用说明了几何原则如何影响我们生活的各个方面。总之，直角不仅仅是一个数学术语；它是一个基本元素，塑造了我们对空间、设计，甚至决策过程的理解。通过认识到直角在实际应用和理论概念中的重要性，我们可以欣赏几何学在日常生活中的美丽和实用性。