isosceles triangle
简明释义
等腰三角形
英英释义
一种至少有两条边长度相等的三角形。 |
例句
1.In geometry class, we learned that an isosceles triangle 等腰三角形 has two sides of equal length.
在几何课上,我们了解到一个等腰三角形有两条相等的边。
2.During the math competition, one question asked us to calculate the area of an isosceles triangle 等腰三角形.
在数学竞赛中,有一道题要求我们计算一个等腰三角形的面积。
3.An isosceles triangle 等腰三角形 can be identified by its two equal angles.
一个等腰三角形可以通过其两个相等的角来识别。
4.The architect designed the roof to resemble an isosceles triangle 等腰三角形 for aesthetic appeal.
建筑师设计了屋顶,使其看起来像一个等腰三角形,以增加美观。
5.To find the height of an isosceles triangle 等腰三角形, you can draw a line from the apex to the base.
要找到一个等腰三角形的高度,你可以从顶点向底边画一条线。
作文
In the world of geometry, shapes play a crucial role in understanding various mathematical concepts. One of the most interesting shapes is the isosceles triangle, which is defined as a triangle with at least two sides of equal length. This unique property gives the isosceles triangle several remarkable characteristics that make it a favorite among students and mathematicians alike. To begin with, the two equal sides of an isosceles triangle are often referred to as the legs, while the third side is known as the base. The angles opposite the equal sides are also equal, which is a fundamental property of this type of triangle. This means that if you know the measure of one of these angles, you can easily determine the measure of the other. For example, if one angle measures 50 degrees, the other must also measure 50 degrees, while the remaining angle would be 80 degrees since the sum of all angles in a triangle must equal 180 degrees.The isosceles triangle is not only important in theoretical mathematics but also has practical applications in real life. Architects and engineers often use isosceles triangles in their designs because of their stability and strength. When constructing roofs, for instance, the isosceles triangle shape allows for better weight distribution, making buildings safer and more durable.Moreover, the isosceles triangle can be found in various forms of art and design. Artists frequently utilize the symmetry of the isosceles triangle to create visually appealing compositions. The balance and harmony that come from the equal lengths of the sides can evoke a sense of calm and order, which is why many logos and symbols incorporate this shape.In addition to its aesthetic appeal, the isosceles triangle serves as a foundation for more complex geometric concepts. For instance, when studying trigonometry, students often start with the isosceles triangle to understand sine, cosine, and tangent functions. The relationships between the angles and sides in an isosceles triangle provide a solid basis for exploring these functions further.Furthermore, the isosceles triangle has a special relationship with the concept of congruence. Two isosceles triangles are considered congruent if they have the same base length and the same height. This idea of congruence is essential in proving various geometric theorems and solving problems related to triangles.In conclusion, the isosceles triangle is a fundamental shape in geometry that offers both theoretical and practical significance. Its properties make it a vital tool in mathematics, architecture, art, and beyond. Understanding the isosceles triangle not only enhances one's knowledge of geometry but also provides insights into the beauty and utility of shapes in the world around us. As we continue to explore the realms of mathematics, the isosceles triangle will undoubtedly remain a key element in our studies and applications.
在几何学的世界中,形状在理解各种数学概念方面起着至关重要的作用。其中一个最有趣的形状是等腰三角形,它被定义为至少有两条边相等的三角形。这一独特的属性赋予了等腰三角形几个显著的特征,使其成为学生和数学家们的最爱。首先,等腰三角形的两条相等的边通常被称为腿,而第三条边称为底边。与相等边相对的角也相等,这是这种类型三角形的基本属性。这意味着,如果你知道其中一个角的度数,你就可以轻易地确定另一个角的度数。例如,如果一个角为50度,那么另一个角也必须是50度,而剩下的角则为80度,因为三角形内所有角的和必须等于180度。等腰三角形不仅在理论数学中重要,而且在现实生活中也有实际应用。建筑师和工程师常常在设计中使用等腰三角形,因为它们具有稳定性和强度。在建造屋顶时,等腰三角形的形状能够更好地分配重量,使建筑物更安全、更耐用。此外,等腰三角形在各种艺术和设计形式中也很常见。艺术家经常利用等腰三角形的对称性来创造视觉上令人愉悦的作品。由于两边长度相等所带来的平衡和和谐,可以唤起一种宁静和秩序的感觉,这就是为什么许多标志和符号都采用这种形状。除了其美学吸引力外,等腰三角形还作为更复杂几何概念的基础。例如,在学习三角函数时,学生通常会从等腰三角形开始,以理解正弦、余弦和正切函数。等腰三角形中角与边之间的关系为进一步探索这些函数提供了坚实的基础。此外,等腰三角形与全等概念之间存在特殊关系。如果两个等腰三角形的底边长度和高度相同,则认为它们是全等的。这种全等的观点对于证明各种几何定理和解决与三角形相关的问题至关重要。总之,等腰三角形是几何学中的一个基本形状,具有理论和实际的重要性。它的属性使其成为数学、建筑、艺术等领域的重要工具。理解等腰三角形不仅增强了人们对几何的知识,还提供了对我们周围世界中形状之美和实用性的洞察。随着我们继续探索数学领域,等腰三角形无疑将继续成为我们研究和应用中的关键元素。
相关单词