Treatise on Plane and Solid Geometry ...: Written for the Mathematical Course of Joseph Ray, M.D.Sargent, Wilson & Hinkle, 1864 - 268 sider |
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adjacent angles altitude angles are equal angles equal angles formed apothem arc BD bisect called chord circle circumference circumscribed coincide cone Corollary Corollary.-The curve demonstration diagonals diameter dicular distance divided edges equal angles equally distant equivalent extend exterior angles faces figure four right angles frustum geometry given angle given line given point given straight line given triangle gles greater Hence homologous lines hypotenuse inscribed intersection isosceles triangle less let fall measured by half number of sides opposite sides parallel lines parallelogram parallelopiped perimeter perpen perpendicular plane polyedral polyedron prism Problem.-To draw PROBLEMS IN DRAWING produced proportional pyramid quadrilateral radii radius ratio rectangle regular polygon respectively equal rhombus right angled triangle secant similar triangles similarly arranged slant hight sphere spherical square described surface tangent tetraedrons theorem Theorem.-The triangle ABC triangles are equal triedral vertex vertices