phân giác

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The Vietnamese word "phân giác" refers to a mathematical concept known as a "bisector" or "bisectrix." In geometry, a "phân giác" is a line or segment that divides an angle into two equal parts. It is an important concept in various geometric constructions and proofs.

Usage Instructions:

• "Phân giác" is primarily used in mathematical contexts, especially in geometry.
• You can use it when discussing angles, triangles, or any situation where angles need to be divided.

Example:

• In a triangle, if you have an angle of 60 degrees, the "phân giác" of that angle will create two angles of 30 degrees each.

Advanced Usage:

• In more advanced studies, "phân giác" can be used in the context of constructions using a compass and straightedge. For instance, one might be asked to construct the "phân giác" of a given angle using specific geometric methods.

Word Variants:

• There aren't direct variants of "phân giác," but you might encounter terms like:
  • "đường trung tuyến" (median) which refers to a line segment from a vertex to the midpoint of the opposite side.
  • "đường cao" (altitude) which is a perpendicular line from a vertex to the opposite side.

Different Meanings:

• While "phân giác" is primarily a mathematical term, in different contexts, it could metaphorically refer to anything that divides or splits something into two equal parts.

Synonyms:

• "Đường phân giác" can be synonymous with "đường chia góc," which also means "angle bisector" in Vietnamese.

Academic

1. (toán học) Đường phân giác
2. Bisector, bisectrix