Circle Area
The area of a circle is π times the radius squared.
The area of a circle is \[Pi] times the radius squared.
Formula
![QuantityVariable["A", "Area"] == Pi*QuantityVariable["r", "Radius"]^2](https://www.wolframcloud.com/objects/resourcesystem/marketplacestorage/resources/185/185315ad-fae5-463b-9547-a7ce18d54a38/Webpage/FormulaImage.png "Copy to Clipboard")
Forms
Examples
Get the resource:
| In[1]:= | ![ResourceObject["Circle Area"]](images/185/185315ad-fae5-463b-9547-a7ce18d54a38-io-1-i.en.gif){kind=small} |
| Out[1]= |  |
Get the formula:
| In[2]:= | ![FormulaData[ResourceObject["Circle Area"]]](images/185/185315ad-fae5-463b-9547-a7ce18d54a38-io-2-i.en.gif){kind=small} |
| Out[2]= |  |
Use some values:
| In[3]:= | ![FormulaData[
ResourceObject["Circle Area"], {QuantityVariable["r","Radius"] -> 1}]](images/185/185315ad-fae5-463b-9547-a7ce18d54a38-io-3-i.en.gif){kind=small} |
| Out[3]= |  |
The area of a circle is π times the radius squared.
The area of a circle is \[Pi] times the radius squared.
Get the resource:
| In[1]:= | |
| Out[1]= | |
Get the formula:
| In[2]:= | |
| Out[2]= | |
Use some values:
| In[3]:= | |
| Out[3]= | |