Google Map Drawing Circle Query

Heyas,

When drawing a circle on a google map is their any way I can calculate the diameter of the circle in proportion to the geographic area being encompassed e.g 2.5, 10km  in real-time, so I user can get I idea of how large an area their circle is encompassing on the map?

Thank you.
ZackGeneral IT Goto GuyAsked:
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Julian HansenCommented:
The google circle docs are here

This sample shows how to update the diameter on radius change

The API does not appear to provide for event for dragging circle border
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ZackGeneral IT Goto GuyAuthor Commented:
Thank you for the info.
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Julian HansenCommented:
You are welcome.
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