

 Analytic Geometry: Cylindrical Coordinates (Ask Dr. Math FAQ)
 A discussion of cylindrical coordinates and their common uses.
 Analytic Geometry: Spherical Coordinates (Ask Dr. Math FAQ)
 A discussion of spherical coordinates and their common uses.
 Cone Formulas (Ask Dr. Math FAQ)
 Formulas for finding the height, surface area, and volume of a cone, right circular cone, or frustum of a cone.
 Cylinder Formulas (Ask Dr. Math FAQ)
 Formulas for finding the surface area and volume of a general cylinder and a right circular cylinder.
 Ellipsoid, Torus, Spherical Polygon Formulas (Ask Dr. Math FAQ)
 Formulas for finding the surface area and/or volume of an ellipsoid, a prolate spheroid, an oblate spheroid, a circular or ring torus, and a spherical polygon.
 Geometric Formulas (Ask Dr. Math FAQ)
 Formulas for twodimensional figures: triangle (equilateral, isosceles, right, scalene); quadrilateral (general, square, rectangle, parallelogram, rhombus, trapezoid, kite, cyclic and cyclicinscriptable); regular polygon; circle (arc, segment, sector); ellipse; parabolic segment; and threedimensional figures: rectangular parallelepiped (cube); prism; pyramid (square pyramid, frustum); regular polyhedron (tetrahedron, cube, octahedron, dodecahedron, icosahedron); cylinder (right circular); cone (right circular, frustum); sphere (sector, cap, segment, zone, lune); ellipsoid; circular torus; spherical polygon. Includes Defining Geometric Figures.
 Grazing Animals
 A cow/goat/donkey is tethered to a barn in or a fence around a field... how long should the rope be so that she can eat half the grass?
 Sphere Formulas (Ask Dr. Math FAQ)
 Formulas for finding the surface area and volume of a sphere, sphere sector, spherical cap, and segment, zone, and lune of a sphere.
 

 