góc bẹt

Góc bẹt được tạo thành bởi hai cạnh nằm trên một đường thẳng.

Definition

1. Noun:
   • Flat angle: A "góc bẹt" is a specific type of angle in geometry. It is an angle whose measure is exactly 180 degrees. Its two sides form a straight line.

Usage Examples

• Noun:
  • Trong hình học, một góc bẹt có số đo bằng 180 độ. (In geometry, a flat angle has a measure of 180 degrees.)
  • Hai tia đối nhau tạo thành một góc bẹt. (Two opposite rays form a flat angle.)
  • Tổng của hai góc kề bù bằng một góc bẹt. (The sum of two supplementary adjacent angles equals a flat angle.)

Advanced Usage

• "Góc bẹt" is a fundamental geometric concept. It is often used as a reference point when classifying angles (e.g., acute angle < right angle < obtuse angle < flat angle).
  • Góc tù lớn hơn góc vuông nhưng nhỏ hơn góc bẹt. (An obtuse angle is larger than a right angle but smaller than a flat angle.)

Variants and Related Words

• Góc (n): Angle. The general term.
  • góc nhọn (acute angle), góc vuông (right angle), góc tù (obtuse angle), góc đầy (full angle / 360°)
• Bẹt (adj): Flat, flattened. This adjective describes the shape.
  • quả bóng bẹt (a flat/deflated ball)

Synonyms

• Góc 180 độ: 180-degree angle. This is a descriptive synonym using the measurement.
• Angle plat (French loan term used in some contexts): Flat angle.

Related Phrases / Idioms

• Thẳng như góc bẹt: (As straight as a flat angle). An idiom emphasizing something is perfectly straight or linear.
  • Con đường mới mở thẳng như góc bẹt. (The newly opened road is as straight as a flat angle.)