bisector
发音：英 [ba??sa?t?(r)]；美 [ba??sa?t?r]。
例句：The bisector of an angle is a line that cuts each side of the angle at the same angle.
翻译：角的一对角线相交于一点，这一点就是角的平分线。
bisector的英语作文：
题目：How to Find the Bisector of a Triangle?
In geometry, we often need to find the bisector of a given angle or line segment. A bisector is a line that cuts each side of the angle or line segment at the same angle. It helps us to simplify certain problems and understand certain geometric concepts better.
To find the bisector of a triangle, we can use the following steps:
1. Draw the given angle or line segment.
2. Draw a line parallel to the opposite side of the triangle. This line will intersect the angle or line segment at two points.
3. Connect these two points to form a new line segment. This new line segment is the bisector of the original angle or line segment.
Now that we know how to find the bisector of a triangle, let's apply it in a real-life scenario. Say you are designing a building and need to know if it will be structurally sound. You can use the bisectors to determine if the building will be evenly supported by its foundation.
总结：The bisector is an essential tool in geometry and other areas of mathematics. It helps us to simplify problems and better understand geometric concepts. By using it correctly, we can make better decisions and solve problems effectively.
Bisector
Bisector is a term used in geometry to describe a tool or method that divides something into two equal parts. It can be used in various contexts, such as dividing a line segment into two equal parts, dividing a circle into two equal arcs, etc.
In mathematics, bisectors are very useful tools for solving problems. For example, if we want to find the midpoint of a line segment, we can use a bisector to divide the segment into two equal parts and then find the midpoint of each part. Similarly, we can use bisectors to solve other problems related to geometry and trigonometry.
In my opinion, bisectors are very important in mathematics and other fields. They help us to understand and solve problems more effectively and efficiently. In addition, they also help us to develop logical thinking and analytical skills.
In conclusion, bisectors are very useful tools that can help us solve various problems in different contexts. I believe that we should always keep an eye out for opportunities to use bisectors and other tools to improve our thinking and problem-solving abilities.
（范文完）
Bisector
Bisector is a tool used in geometry to divide a line segment into two equal parts. It can be used to find the midpoint of a line segment or to find the angle between two lines. In mathematics, bisectors are very useful in studying geometric figures and formulas.
Here is an example of using bisector in a math problem:
Suppose we have a right triangle ABC, and we want to find the height of the triangle. We can use bisectors to divide the triangle into two smaller triangles, and then use the formula for the height of a triangle to calculate the height of the original triangle.
First, draw two lines parallel to each other through the midpoint of the hypotenuse, as shown in the figure below:
Now, draw a line through the vertex A that intersects both parallel lines at the same point. This line divides the triangle into two smaller triangles, as shown in the figure.
Finally, we can use the formula for the height of a triangle to calculate the height of the original triangle. The formula for the height of a triangle is h = b tan(angle B), where h is the height, b is the base of the triangle, and angle B is the angle opposite to the base.
In this problem, we can use bisectors to find the angle B and then use the formula to calculate the height of the triangle.
以上就是使用bisector解决数学问题的一个例子，希望对你有所帮助。当然，bisector在几何学、三角学等领域的应用还有很多，需要你进一步探索和学习。
