decagon

简明释义

英[ˈdekəɡən]美[ˈdekəɡɑːn]

n. [数] 十角形；[数] 十边形

英英释义

单词用法

同义词

反义词

例句

1.Three different planar structural modes of 5 approximants have been put forward by using pentagon, decagon, flat hexagon and boat-shape respectively.

从高分辨像出发，分别用十边形，五角形以及扁六边形和船形构筑了五种十次准晶近似相的各三种平面结构模型。

2.Three different planar structural modes of 5 approximants have been put forward by using pentagon, decagon, flat hexagon and boat-shape respectively.

从高分辨像出发，分别用十边形，五角形以及扁六边形和船形构筑了五种十次准晶近似相的各三种平面结构模型。

3.In geometry class, we learned how to calculate the area of a decagon.

在几何课上，我们学习了如何计算十边形的面积。

4.For the art project, we created a mosaic shaped like a decagon.

为了艺术项目，我们制作了一个形状像十边形的马赛克。

5.The garden was laid out in a decagon to create a unique design.

花园被设计成一个十边形，以创造独特的设计。

6.A decagon has ten sides and ten angles.

十边形有十条边和十个角。

7.The architect designed a beautiful building in the shape of a decagon.

建筑师设计了一座美丽的建筑，形状是一个十边形。

作文

A decagon is a geometric shape that consists of ten sides and ten angles. In mathematics, understanding various polygons is crucial, as they form the basis for more complex shapes and structures. The decagon, like other polygons, can be classified into regular and irregular types. A regular decagon has all its sides and angles equal, while an irregular decagon does not have this property. This distinction is essential in geometry, as it affects the calculations of area and perimeter.One of the fascinating aspects of a regular decagon is that it can be inscribed in a circle. This means that all vertices of the decagon touch the circumference of a circle, which is known as the circumcircle. The radius of this circumcircle is directly related to the side length of the decagon. The formula for calculating the area of a regular decagon involves using the side length and the apothem, which is the distance from the center to the midpoint of one of its sides. The area can be calculated using the formula: Area = (5/2) * Side Length * Apothem.In practical applications, decagons can be found in various fields, including architecture and design. For instance, some modern buildings utilize decagonal shapes to create visually appealing structures. Similarly, in urban planning, parks or gardens may be designed with decagonal layouts to enhance aesthetic appeal and functionality. Art and design also embrace the decagon. Artists often explore geometric shapes in their work, and the decagon provides a unique blend of symmetry and complexity. By incorporating a decagon into their designs, artists can evoke a sense of balance and harmony, drawing the viewer's attention to the intricacies of the shape.Moreover, the decagon serves as an excellent educational tool in teaching geometry. Students can learn about angles, side lengths, and symmetry through hands-on activities involving decagons. By constructing decagons using tools like compasses and rulers, students can better grasp the concepts of regularity and irregularity in polygons.In conclusion, the decagon is more than just a ten-sided polygon; it is a shape that holds significant importance in mathematics, art, architecture, and education. Its properties and applications make it a valuable subject of study. As we explore the world of geometry, the decagon stands out as a testament to the beauty and complexity of shapes that surround us in our daily lives.

一个十边形是一个几何形状，由十条边和十个角组成。在数学中，理解各种多边形至关重要，因为它们构成了更复杂的形状和结构的基础。十边形，像其他多边形一样，可以分为规则和不规则类型。规则的十边形具有相等的边和角，而不规则的十边形则没有这种特性。这种区别在几何学中至关重要，因为它影响面积和周长的计算。规则的十边形的一个迷人之处在于它可以被内切于一个圆。这意味着十边形的所有顶点都触及一个圆的周长，这个圆称为外接圆。这个外接圆的半径与十边形的边长直接相关。计算规则十边形面积的公式涉及使用边长和内切圆半径，即从中心到其一边中点的距离。面积可以通过以下公式计算：面积 = (5/2) * 边长 * 内切圆半径。在实际应用中，十边形可以在建筑和设计等各个领域找到。例如，一些现代建筑利用十边形形状来创造视觉上吸引人的结构。同样，在城市规划中，公园或花园可能设计为十边形布局，以增强美观性和功能性。艺术和设计也拥抱十边形。艺术家经常在作品中探索几何形状，而十边形提供了一种对称性和复杂性的独特结合。通过将十边形融入他们的设计中，艺术家可以唤起一种平衡和和谐感，吸引观众的注意力，关注形状的复杂性。此外，十边形作为教学几何的优秀工具。学生可以通过涉及十边形的动手活动学习角度、边长和对称性。通过使用圆规和直尺构建十边形，学生可以更好地掌握多边形的规则性和不规则性概念。总之，十边形不仅仅是一个十边形；它是一个在数学、艺术、建筑和教育中具有重要意义的形状。它的特性和应用使其成为一个有价值的研究主题。当我们探索几何世界时，十边形作为我们日常生活中围绕着我们的形状之美和复杂性的见证而脱颖而出。