# Quadrangle | Definition, Etymology, Synonyms & Antonyms ### Definition

“Quadrangle” is a noun that refers to a four-sided polygon or a geometric shape with four angles and four sides. In architecture and education, it can also refer to a rectangular courtyard or a building with four wings surrounding an open space.

### Etymology

The word “quadrangle” is derived from the Latin word “quadrangulum,” which combines “quadri-” (meaning “four”) and “angulum” (meaning “angle”).

### Synonyms

• square
• four-sided figure,
• rectangle (if the angles are right angles)
• courtyard
• patio

### Antonyms

• triangle
• pentagon
• hexagon
• heptagon (any polygon with a different number of sides)

### Example

The university’s historic quadrangle, surrounded by elegant buildings on all sides, served as a gathering place for students, where they engaged in study sessions and social interactions.

### What are some famous examples of quadrangles in architecture?

One of the most famous examples of a quadrangle in architecture is the Great Court of the British Museum in London. The Vatican’s St. Peter’s Square is another iconic quadrangle, known for its grand design.

### What is the significance of quadrangles in educational institutions?

In educational institutions, quadrangles often serve as central meeting points, fostering a sense of community and providing an outdoor space for students and faculty to interact and relax.

No, not all quadrangles are squares. While squares are a specific type of quadrangle where all sides and angles are equal, quadrangles can have different side lengths and angles.

### What is the difference between a quadrangle and a rectangle?

A rectangle is a type of quadrangle with four sides and four right angles. However, a quadrangle can have any combination of angles, including right angles, acute angles, and obtuse angles.

### In mathematics, what are some properties of quadrangles?

In mathematics, quadrangles have various properties, such as the sum of their interior angles being equal to 360 degrees, the diagonals dividing them into two pairs of congruent triangles, and their opposite sides being parallel in the case of parallelograms.

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