Kidney Shape
Loading the math board and drawing, please wait…
This example models the shape of a kidney using mathematical functions and parametric equations. Users can adjust parameters a and b to observe changes in the kidney shape. Suitable for high school mathematics education and learning.
GeoGebra Commands & Parameters
Surface((cos(u) * ((2 * cos(v)) - cos((a * v)))), (sin(u) * ((2 * cos(v)) - cos((a * v)))), (2 * sin(v)) - sin((a * v)), u, 0, (2 * π), v, (-π), π) → b