An Elementary Geometry and Trigonometry

adjacent altitude base become bisect Book called centre chord circle circumference column comp cone construct Converse convex surface Corollary corresponding Cosine Cotang decr DEFINITIONS demonstration describe diagonals diameter difference direction distance divided draw drawn equal equiangular equivalent feet figures formed four given angle given line given point greater half height hypothenuse included angle incr infinite inscribed isosceles joining known length Logarithm mean measured meet Method multiplied opposite parallel parallelogram perimeter perpendicular plane polygon prism PROBLEM proportion proved pyramid quantities radius ratio rectangle regular polygon respectively right angle RULE secant segment sides similar Sine sphere square straight line supplement Tang tangent THEOREM third triangle unit vertex vertices volume