Elements of Geometry: Plane and Solid

AB² ABCDE AC² altitude angle formed apothem arc AC axis base and altitude bisector bisects chord circumf circumference circumscribed coincide cone of revolution Const construct DEFINITION diagonals diagram for Prop diameter dihedral angles distance divided draw equiangular equidistant equilateral triangle equivalent EXERCISE face angles frustum given circle given line given point given straight line Hence homologous hypotenuse indefinitely inscribed intercepted intersection isosceles triangle lateral area locus meas meet mid point number of sides numerical measures parallel parallelogram parallelopiped perimeter perpendicular plane MN polyhedral angle polyhedron prism PROPOSITION Prove pyramid radii radius ratio rect rectangle rectangular parallelopiped regular polygon regular polyhedrons right angle right triangle SCHOLIUM secant segment similar slant height sphere spherical excess spherical polygon spherical triangle symmetrical with respect tangent THEOREM triangle ABC trihedral vertex volume