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Sphere

en.wikipedia.org/wiki/Sphere

A sphere is a perfectly round geometrical object in three-dimensional space that is the surface ... Surface area[edit]. The surface area of a sphere is: A = 4\pi r^2.

Surface area of a sphere - Math Open Reference

www.mathopenref.com/spherearea.html

Animated demonstration of the sphere suurface area calculation.

Surface Area of a Sphere -- Math Fun Facts

www.math.hmc.edu/funfacts/ffiles/20004.2-3.shtml

From the Fun Fact files, here is a Fun Fact at the Medium level: Surface Area of a Sphere. The area of a disk enclosed by a circle of radius R is Pi*R<sup>2</sup>.

Surface Area Formulas - Math.com

www.math.com/tables/geometry/surfareas.htm

Surface Area of a Sphere = 4 pi r <sup>2</sup>. (r is radius of circle)

Surface Area of Spheres - teachers choice software

www.teacherschoice.com.au/maths_library/area and sa/area_2.htm

This topic is part of the TCS FREE high school mathematics 'How-to Library', and will help you to find the surface area of spheres, or the radius if the surface ...

www.ask.com/youtube?q=What is the new surface area of the sphere?&v=6EzQEdBX_30
May 27, 2013 ... Proof and explanation that Surface Area of a Sphere is equal to 4πr^2 using geometry and algebra. visit my site: .... tau/2 is the new pi !.

How to Find the Surface Area of a Sphere: 8 Steps

www.wikihow.com/Find-the-Surface-Area-of-a-Sphere

Know the parts of the equation, Surface Area = 4πr<sup>2</sup>. This nearly ancient formula is still the easiest way to determine the surface area of a sphere. Using almost ...

Kids Math: Finding the Volume and Surface Area of a Sphere

www.ducksters.com/kidsmath/finding_the_volume_surface_area_of_a_sphere.php

Terms of a Sphere In order to calculate the surface area and volume of a sphere we first need to understand a few terms: Radius - The radius of a sphere is the ...

www.ask.com/youtube?q=How to work out the surface area of a sphere?&v=8g5e6iVf3T0
Jan 24, 2011 ... If you plug that into the formula, you get surface area equal to four ... how can I Calculate the surface area of sphere with a radius of 5 inches.
Popular Q&A
Q: What is the surface area of a sphere?
A: Take your favorite globe, orient it with the north pole directly above the south pole, and consider a cylinder enclosing it, touching just at the equator and ex... Read More »
Source: www.quora.com
Q: What is the surface area of a sphere?
A: The formula for the surface area of a sphere is 4*pi*r 2 Read More »
Source: wiki.answers.com
Q: What is the surface area of a sphere?
A: Surface Area of a Sphere = 4 pi r^2. The r is the radius of the sphere. ! Read More »
Source: www.chacha.com
Q: What is the surface area of a sphere?
A: Mathulon, our resident mathmagician says the surface area of a sphere is 4 pi Read More »
Source: www.chacha.com
Q: What is surface area of the sphere?
A: The way to the answer is you take the limit of the surface area of a polyhedron and the limit of the Volume of the polyhedron as the edges go to infinity where ... Read More »
Source: answers.yahoo.com