góc bù

Hai góc bù được vẽ cạnh nhau trên một tờ giấy.

Definition

1. Noun:
   • Supplementary angles: "góc bù" refers to two angles whose measures add up to 180 degrees.

Usage

• "Góc bù" is a mathematical term used specifically in geometry. It describes the relationship between two angles.
• The term is always used in the plural sense, referring to a of angles.
• Example sentence structure: "Hai góc này là góc bù." (These two angles are supplementary angles.)

Examples

• Noun:
  • Góc 120° và góc 60° là một cặp góc bù. (A 120° angle and a 60° angle are a pair of supplementary angles.)
  • Trong hình học, nếu tổng số đo hai góc bằng 180°, chúng được gọi là góc bù. (In geometry, if the sum of the measures of two angles is 180°, they are called supplementary angles.)

Advanced Usage

• "góc bù của một góc": the supplement of an angle.
  • Tìm góc bù của góc 75°. (Find the supplement of a 75° angle.)
  • Góc bù của góc A là 180° - A. (The supplement of angle A is 180° - A.)

Variants and Related Words

• Góc phụ (Complementary angles): Two angles whose measures add up to 90 degrees.
  • Không nên nhầm lẫn giữa góc bù (180°) và góc phụ (90°). (One should not confuse supplementary angles (180°) and complementary angles (90°).)

Synonyms

• Supplementary angles: The direct and only accurate English translation.
• Angle supplement: Used when referring to the specific angle that completes another to 180°.

Related Concepts

• Góc kề bù (Adjacent supplementary angles): Two supplementary angles that share a common vertex and side.
  • Hai góc kề bù có tổng số đo bằng 180° và nằm kề nhau. (Two adjacent supplementary angles have a sum of 180° and are next to each other.)