## An Introduction to Geometry and the Science of Form: Prepared from the Most Approved Prussian Text-books |

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ABCD acute angles altitude axes base bounded called centre chord circumference coincide common concave connected consequently construct contained convex corner cube curved line cylinder describe a circle diagonals diameter direction distance divided Draw Draw a straight drawn edge entire equal equivalent erect example extents exterior angles faces fall feet figure give given greater greatest number half hexagon horizontal inches inscribed intersect joining length less line passes manner means measure meet middle multiplied number of points opposite parallel parallelogram pentagon perpendicular placed plane polygon position preceding proportion pyramid quadrilateral radii radius radius equal ratio regular remark right angles set intersecting side AC sides similar solid sphere square straight line Suppose surface taken tangents touch triangle ABC triangular prism unequal unit vertex vertices whole