Isosceles is a geometric term used to describe a triangle with two sides or two equal angles. Generally speaking, isosceles triangle is easy to be noticed and recognized by people because of its symmetry and balance, and is often used to design signs and architectural elements, such as torches or pyramids. The isosceles triangle has important applications in many aspects, including measurement and architecture, and can also be used to calculate the perimeter, area and angle of isosceles triangle elements in mathematics. This is a very useful geometry.

One of the advantages of isosceles triangle is observability, because it has obvious symmetry and structure, which provides mathematicians and scientists with convenience for analysis and understanding. By comparing the perimeter, area and angle of isosceles triangle, people can better understand the properties of isosceles triangle and deduce theorems and formulas. In addition, isosceles triangles are widely used in architecture, engineering and manufacturing, especially in the design and manufacture of some symmetrical buildings or machines. As a main element, isosceles triangle plays an important role in composition and design.

Although isosceles triangle is widely used in mathematics, science and engineering, it can also be seen in our lives. For example, isosceles triangle is used in computer science, artificial intelligence, image processing, computer vision and so on. In addition, isosceles triangles also appear as aesthetic elements in daily life, such as roads and advertising signs, clothes and ornaments. By understanding the main application of isosceles triangle in our life, we can better understand how to use this shape to better build and design things, so as to obtain better use results.