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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.
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Notes
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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Word History and Origins
Origin of plane geometry1
First recorded in 1740–50
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Example Sentences
In plane geometry, reckoning the line as a curve of the first order, we have only the point and the curve.
From Project Gutenberg
Euclidean interpretation of hyperbolic plane geometry, his results will be stated at some length14.
From Project Gutenberg
She was a quiet girl who was designed like a tall problem in plane geometry.
From Project Gutenberg
The figure suggests the case of two circles in plane geometry.
From Project Gutenberg
Not until 1844 did Harvard require any plane geometry for entrance.
From Project Gutenberg
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