Sunday

December 21, 2014

December 21, 2014

Posted by **JOY** on Thursday, May 12, 2011 at 7:46am.

- geometry -
**Reiny**, Thursday, May 12, 2011 at 7:49amSurface area of sphere = 4πr^2

sub in r=25

- geometry -
**JOY**, Thursday, May 12, 2011 at 8:07amI came up with 7831.25cm is this correct

- geometry -
**Reiny**, Thursday, May 12, 2011 at 8:26amI get 7853.98 using the π on my calculator.

**Answer this Question**

**Related Questions**

geometry - A sphere has a surface area of 32inē.If the diameter is halved, find ...

MAth - A sphere has a surface area of 28.26 in2. Find the diameter in inches, of...

geometry - The radius R of a sphere is 5.6cm. Calculate the sphere's surface ...

Geometry - Find the volume of a sphere whose surface area is 804 u2

math - What are the values of the surface area and volume of a semi-sphere whose...

Geometry - What happens to ethe surface area of a sphere if the diameter is ...

Geometry/Algebra/Calculus - Why isn't the surface area of a sphere with radius r...

geometry - Find the surface area and the volume of a sphere whose radius equals ...

surface area and volume - I really need some help, I don't fully understand. ...

geometry - Calculate the lateral area and surface area of a pyramid whose height...