PLANE GEOMETRY Definition & Meaning

plane geometry

noun

Mathematics.

the geometry of figures whose parts all lie in one plane.

plane geometry

noun

the study of the properties of and relationships between plane curves, figures, etc

plane geometry

The mathematical study of geometric figures whose parts lie in the same plane, such as polygons, circles, and lines.

plane geometry

The study of two-dimensional figures (figures that are confined to a plane).

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Plane geometry is one of the oldest branches of mathematics.

The Greek mathematician Euclid was the first to study plane geometry carefully. His book Elements was the standard plane geometry textbook for centuries.

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51�Թ� History and Origins

Origin of plane geometry¹

First recorded in 1740–50

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Example Sentences

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“What do you know about imaginary numbers, plane geometry, and vector algebra, Jake?”

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He learned in part by drawing biology and plane geometry projects and whatever else the teachers asked for.

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But in the eleventh grade, I got good scores in plane geometry from the start.

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The treatise contains 13 separate books, covering everything from plane geometry, the Pythagorean theorem, golden ratio, prime numbers, and quite a bit more.

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In 1952, my plane geometry book was a tattered volume first used by white students in 1935, the year I was born.

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plane chart plane iron

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