oblique angled triangle

简明释义

斜三角形

英英释义

例句

1.In trigonometry, we often study the properties of oblique angled triangles to solve real-world problems.

在三角学中，我们经常研究斜角三角形的性质以解决现实世界中的问题。

2.In geometry class, we learned that a triangle with one angle greater than 90 degrees is called an oblique angled triangle.

在几何课上，我们了解到一个角大于90度的三角形被称为斜角三角形。

3.When constructing a ramp, it’s important to ensure that it forms an oblique angled triangle for safety and efficiency.

在建造坡道时，确保它形成一个斜角三角形是安全和效率的重要因素。

4.To find the area of an oblique angled triangle, you can use the formula: 1/2 * base * height.

要找出斜角三角形的面积，可以使用公式：1/2 * 底 * 高。

5.The architect designed the roof in the shape of an oblique angled triangle to enhance the aesthetic appeal of the building.

建筑师将屋顶设计成斜角三角形的形状，以增强建筑的美观性。

作文

In the world of geometry, triangles are one of the most fundamental shapes. Among the various types of triangles, the oblique angled triangle (即“斜角三角形”) holds a special place due to its unique properties. An oblique angled triangle is defined as a triangle that does not contain a right angle; instead, it can have either all acute angles or one obtuse angle. This distinction sets it apart from other triangles, such as right-angled triangles, which have one angle equal to 90 degrees.Understanding the characteristics of an oblique angled triangle is crucial for students and professionals in fields such as architecture, engineering, and various branches of mathematics. The angles in an oblique angled triangle always add up to 180 degrees, just like in any triangle. However, the absence of a right angle means that the methods used to calculate area, height, and other properties differ significantly from those used for right-angled triangles.One important aspect of oblique angled triangles is the application of the Law of Sines and the Law of Cosines. These laws are essential tools for solving problems involving oblique angled triangles. The Law of Sines states that the ratio of the length of a side to the sine of its opposite angle is constant for all three sides of the triangle. This property allows us to find unknown angles or sides when given enough information about the triangle.On the other hand, the Law of Cosines is particularly useful when dealing with oblique angled triangles that do not have a right angle. It relates the lengths of the sides of a triangle to the cosine of one of its angles. This law is especially handy in cases where we know two sides and the included angle or all three sides but need to determine the angles.In practical applications, oblique angled triangles can be found in various real-world scenarios. For instance, architects often use these triangles when designing roofs, bridges, and other structures that require precise measurements and angles. The ability to work with oblique angled triangles enables them to create stable and aesthetically pleasing designs.Furthermore, oblique angled triangles can also be observed in nature. Mountains, trees, and even the human body exhibit triangular shapes that can be analyzed using the principles of geometry. Understanding how to measure and calculate the properties of these triangles can lead to a deeper appreciation of the natural world around us.In conclusion, the oblique angled triangle (即“斜角三角形”) is a fascinating subject within the realm of geometry. Its unique characteristics and applications make it an essential topic for anyone looking to enhance their understanding of mathematical principles. By mastering the properties and laws associated with oblique angled triangles, individuals can develop valuable skills that apply to both academic pursuits and practical situations in everyday life.