Yes and it is for any circle: circumference/diameter = pi
Chat with our AI personalities
4 * pi * r * r15 Fby subcooling20The formula for calculating the area of a circle - is Pi x r x r
http://wiki.answers.com/Q/What_is_the_mathematical_formula_for_calculating_a_surface_area_for_a_building"
Temperature is usually measured, rather than calculated.
2,,r or ,,d 2x pi x radius or Pi x Diameter
(4/3)*pi*r^3 pi is constant 3.14, r is radius of the sphere.