ê-ke

Học sinh dùng ê-ke để vẽ một hình tam giác.

Definition

1. Noun:
   • Set square / triangle: A flat, triangular drawing instrument, typically made of plastic or metal, with one right angle (90 degrees) and two other angles (often 45-45 or 30-60). It is used in technical drawing, geometry, and drafting to draw precise angles and straight lines.

Usage Examples

• Noun:
  • Học sinh dùng ê-ke để vẽ một góc vuông. (The student uses a set square to draw a right angle.)
  • Cô ấy đặt ê-ke lên giấy và kẻ một đường thẳng. (She placed the triangle on the paper and drew a straight line.)
  • Ê-ke là một dụng cụ thiết yếu trong môn hình học. (A set square is an essential tool in geometry.)

Advanced Usage

• The word "ê-ke" is a loanword, adapted from the French "équerre" (meaning a set square or a try square). In Vietnamese, it is used exclusively to refer to the drawing tool.

Variants and Related Words

• Thước kẻ (n): ruler (used for drawing straight lines and measuring length).
• Thước đo góc (n): protractor (used for measuring angles).

Synonyms

• Triangle (in the context of drafting).
• Set square.
• Drafting triangle.

Related Terms

• Vẽ kỹ thuật (n): technical drawing.
• Góc vuông (n): right angle.