I need to figure out these questions.
1. The total surface area of a rectangular polyhedron is 216 in2. If the length and width are 10 and 6 inches respectively, find the height.
2. The total surface area of a cone is 14http://www.omegamath.com/scripts/geo...st/smallpi.gif cm2. If the radius is 2 cm, find the slant height.
3. The total surface area of a sphere is 64http://www.omegamath.com/scripts/geo...st/smallpi.gifin2. Find the radius.
4. Find the total surface area of the following figure. The back of the figure is a rectangle. Disregard the bottom of the figure.