Definition, Meaning & Synonyms
diagonal
adjective/noun
/daɪˈæɡənl/
Definition
A straight line joining two non-adjacent corners of a flat shape or a three-dimensional shape.
Examples
- The diagonal of a rectangle divides it into two triangles.
- In a square grid, you can draw diagonals from one corner to the opposite corner.
- To find the diagonal length of a square, you can use the Pythagorean theorem.
Meaning
In geometry, a diagonal is a line segment that connects two non-adjacent vertices of a polygon or polyhedron.
Synonyms
- slanting
- oblique
- bias
