Elementary Course of Geometry ... |
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ABCD altitude angles equal axis bisect center of similitude chord circumference cone consequently construct cylinder diagonal diameter dicular divided draw equal angles equal distances equal th equiangular equilateral triangle feet figure find a point find the area frustum geometric locus given angle given circle given line given point given square given triangle gles half Hence hypothenuse indeterminate problems inscribed intersection isosceles triangle length Let ABC line drawn line joining locus which resolves measured meet multiply parallel planes parallelogram pendicular pentagon perimeter perpen perpendicular plane XZ polyhedral angle polyhedrons prism Prob Prop proportional Prove pyramid radical axis radii radius ratio rectangle regular polygon regular polyhedrons resolves this problem rhombus right line right-angled triangle Schol Scholium segment semicircle side AC similar Solution sphere spherical polygons spherical triangle straight line surface symmetric tangent tetrahedron THEOREM three sides triangle ABC vertex