Normally, a child's height is based on parental heights subject to regression toward the mean.
Given James' golf ball has a radius of 1.
The volume of the waffle cone with a circular base with radius 1.
Using growth charts are good sources of information to evaluate the growth situation of a child.
Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate calculations.
Obviously, this is equivalent to 5.