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Mathematics · Grades 1–2

Geometry

noun

The branch of mathematics that deals with shapes, sizes, and properties of figures.

Example Sentences

"In geometry, we learn about triangles, squares, and circles."

"Architects use geometry when designing buildings."

Synonyms & Related Terms

shapesspatial math

Quick Check

Which best describes the meaning of geometry?

Study Tips

To remember geometry, try writing it in a sentence of your own. Connect it to something you already know about mathematics.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.