A Treatise on Special Or Elementary Geometry: In Four Parts |
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Common terms and phrases
ABCD adjacent altitude angle or arc base bisect centre chord circle circumference coincide common point conceive construct cosec cosine cotangent DEM.-Let diagonals diameter diedral distance divided draw drawn edge equal angles equiangular equilateral equivalent exterior angle facial angles figure frustum geometrical given line given point Hence homologous hypotenuse included angle inscribed intersect isosceles less let fall locus LOGARITHMIC FUNCTIONS lune measured middle point oblique opposite sides parallel parallelogram parallelopiped passing pendicular perpendicular plane triangle prism Prob Prob.-To produced project the triangle PROP PROPOSITION pyramid quadrant quadrilateral radii radius rectangle regular polygon revolve right angled triangle secant secant line similar sine solution sphere spherical angle spherical triangle square straight line student SUG's surface symmetrical tang tangent Theorem.-The triangle ABC triedral trigonometrical functions vertex vertices whence