SOLUTION: Given a sphere of known radius,R. The surface area is 4*pi*R^2. What is the surface area of a circle of radius r drawn on that sphere? I know that the answer is more than pi*r^2.

Algebra ->  Surface-area -> SOLUTION: Given a sphere of known radius,R. The surface area is 4*pi*R^2. What is the surface area of a circle of radius r drawn on that sphere? I know that the answer is more than pi*r^2.      Log On


   



Question 141056: Given a sphere of known radius,R. The surface area is 4*pi*R^2.
What is the surface area of a circle of radius r drawn on that sphere? I know that the answer is more than pi*r^2.
Thank you,
Charles Palm

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Look here --> http://mathforum.org/dr.math/faq/formulas/faq.sphere.html
And see the section on spherical cap. I think that is what you are asking