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Plane Geometry - Bruce E. Shapiro

Plane Geometry - Bruce E. Shapiro

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APPENDIX A. SYMBOLS USED 321̸‖⊥←→AB−→ABABABÂB∠d(P, Q)L(γ)α(R)δ(△ABC)µ(∠BAC)σ(△ABC)△□A ∗ B ∗ Cnot parallelperpendicularLine through A and BRay from A through BLine segment from A to BLength of ABarc of great circleangledistance from P to Qarc length of curve γArea of region Rdefect of △ABCMeasure of ∠BACangle sum of △ABCtrianglerectangleAssociated triangular regionAssociated rectangular regionB is between A and C∼= congruent∼≡v · uv × usimilarequivalent by dissectionvector dot productvector cross productRevised: 18 Nov 2012 « CC BY-NC-ND 3.0.

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