equilateral triangle
pl: equilateral triangles
Related Words
trianglepolygongeometryanglesidevertexedgedegreeradiansymmetrycongruenceperimeterareaaltitudemedianbisectorcentroidorthocentercircumcenterincenterhypotenuseright triangleEuclidean geometrytrigonometrysinecosinetangentPythagorean theoremplanepointlinesegmentangle bisectorinterior angleexterior anglesumconstantsquarepentagonhexagonheptagonoctagonnonagondecagontessellationtilingprismpyramidtetrahedronfacevolumesurface areacoordinateaxisoriginvectorscalarproofaxiomtheoremcorollarylemmaprotractorcompassrulercalculationformularatioproportion