Great Books of the Western World, Band 11

added applied axis base bisected centre of gravity circle circle ABCD circumference commensurable in length common cone constructed continued cube cylinder described diameter double drawn drawn parallel equal fall figure fourth given greater half height incommensurable inscribed joined least less let the straight magnitudes mean measures medial meet multiplying opposite parallel parallelogram perpendicular plane polygon possible prime produced Prop proportional PROPOSITION proved pyramid Q. E. D. PROPOSITION ratio rational straight line reason rect rectangle rectangle contained respectively right angles segment side similar Similarly solid sphere square square number squares on AC straight line straight lines commensurable surface taken tangent touch trgl triangle triangle ABC unit vertex whole