An elementary treatise on mensuration

altitude angle angular applicable approximation axes axis base becomes bounded breadth called centre Chapter chord circle circular common cone contained coordinates cubic curve cylinder determine diagonal diameter difference distance divided draw edges ellipse equal equation Examples expression extreme feet figure find the area find the volume foot formula four frustum given height Hence inches increased indefinitely inscribed join length less limit measured method obtain ordinates parabola parallel parallelogram perimeter perpendicular plane portion positive prism prismoid problem pyramid quantity radius ratio regular polygon represent respectively result round Rule segment sides similar solid sphere spheroid square straight line string Substituting suppose surface taken third transverse section trapezoid triangle true ultimately unit of length values whole yards