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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 π 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 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=Surface Area of a Sphere&v=6EzQEdBX_30
May 27, 2013 ... Detailed explanation here: http://pythagoreanmath.com/deriving-the-surface-area -of-a-sphere/ Proof and explanation that Surface Area of a ...

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

www.ducksters.com/kidsmath/finding_the_volume_surface_area_of_a_sphere.php

Surface Area of a Sphere. What is a sphere? A sphere is a three dimensional version of a circle, like a basketball or a marble. The definition of a sphere is " every ...

Spherical Cap -- from Wolfram MathWorld

mathworld.wolfram.com/SphericalCap.html

If the plane passes through the center of the sphere, the cap is a called a ... The surface area of the spherical cap is given by the same equation as for a general ...

How Do You Find the Surface Area of a Sphere? | Virtual Nerd

www.virtualnerd.com/pre-algebra/perimeter-area-volume/surface-area/lateral-surface-areas-examples/sphere-lateral-surface-areas

Then plug that value into the formula for the surface area of a sphere and solve to get ... sphere; surface area; cylinder; relationship between cylinder and sphere.

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

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

The surface area of a sphere is the number of units (cm, inches, feet -- whatever your measurement) that could cover the outside of a spherical object, like a ...

Surface Area of a Sphere - Web Formulas

www.web-formulas.com/Math_Formulas/Geometry_Surface_of_Sphere.aspx

A sphere is a three-dimensional space, such as the shape of a football. A sphere is a body bounded by a surface whose every point is equidistant (i.e. the same ...

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Volume of a sphere | Volume of cones, cylinders, and spheres ...

www.khanacademy.org

The formula for the volume of a sphere is V = 4/3 πr³. See it used in an ... Can you make a video on the Surface Area of a Sphere? I think this section has a very ...

Surface Area Formulas - Math.com

www.math.com

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

Areas, Volumes, Surface Areas - Math

math2.org

Math2.org Math Tables: Areas, Volumes, Surface Areas. (Math) ... sphere = (4/3) [ pi] r<sup>3</sup>. ellipsoid = (4/3) pi r1 ... (total area) = perimeter(b) L + 2b. sphere = 4 [pi] ...