The surface area of the sphere is equal to 4 circles of the same radius. Surface area of a sphere. Image gallery Skip image gallery. Image caption, Click to see a step-by-step slideshow.

For more complicated systems, the circle on a plane is replaced by a circle on a curved surface—the surface of a sphere for instance. In this case, the effect of squeezing depends on the ...

A sphere is the most compact shape for physical matter, the smallest surface area for a given volume. So ice spheres will melt more slowly than traditional cubes.) Sign up for the Health newsletter ...

Surface area is the measure of how much exposed area a solid object has, ... Smooth surfaces, such as a sphere, are assigned surface area using their representation as parametric surfaces.