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Geometry Symbols

SymbolMeaningIn Words
PerpendicularPerpendicular lines.
TriangleTriangular shape
DegreeA full rotation is 360 degree.
Right angleAngle is 90 degree.
ParallelTwo lines are parallel.
πPieConstant with value of 3.141592654...
radRadian360? = 2? rad
CongruentGeometric shapes and size are equal.
~SimilarSame shape with different size.
AngleFormed two lines.
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