Calculate the volume,radius,and diameter of a sphere given the area-Geom...

How to calculate volume,radius, and diameter of a sphere given the area



Video Guide
0:36 Given the area of a sphere is 24 inches squared find the radius.
0:54 Review the area formula of a sphere
1:01 Find the radius of the sphere from the area formula
2:15 Given the radius, find the diameter.
2:45 Given the radius and the diameter find the volume of the square.

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Spheres

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Spheres

Video Guide

Definition of a sphere

An example of the definition of a sphere

Radius of a sphere explained.

The great circle explained with an illustration

Definition of hemisphere and a brief explanation of hemisphere

Formula for surface area of a sphere

Formula for volume of a sphere

Sample problem with step by step instruction over how to find surface area of a sphere.with an exact answer and a rounded decimal.

Example problem with step by step instructions for finding the volume of a sphere.

 

 

 

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How to find the volume of a sphere.

How to find the volume of a sphere

What is a sphere? You can think of a sphere as a circle in three dimensions. A sphere is perfectly symmetrical, does not have any vertices or corners, no edges. In addition, all of the points on a sphere are the same distance from the center.

Video  Volume of a sphere

The formula for finding the volume of a sphere equals 4⁄3 πr^3  r =radius

 

 

 

Step 1. Plug 6 in the formula for the radius

 

Step 2. 4⁄3 π6^3 = 4⁄3 π216

 

Step 3. Multiply 4⁄3 x 216=( 4*216 )/3

 

Step 4 864/3 = 288π units^3

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