An Elementary Geometry and Trigonometry

A B C acute angle adjacent Algebra altitude angle BCD angle of elevation apothem arc or angle base bisect centre chord circle circumference comp complement convex surface Corollary cosec decimal decr diagonals diameter distance divided draw equilateral equivalent feet figures Find the Log find the sine frustum Geom given angle Given h given line given point given side height hypothenuse included angle incr inscribed internal angles isosceles triangle lines A B Logarithm multiplied mutually equiangular Natural Number parallel parallelogram parallelopiped perimeter perpendicular plane triangle prism PROBLEM proportion radius ratio rectangle regular polygon right angle right triangle right-angled triangle rods Scholium secant segment side opposite similar similar triangles slant height sphere square straight line Tang tangent THEOREM trapezoid triangle ABC Trigonometry vertex vertical