Circle
A circle supports the following properties:
center - specifies the google.maps.LatLng of the center of the circle
radius - specifies the radius of the circle, in meters
strokeColor - specifies a hexadecimal color for the line around the circle (format: "#FFFFFF")
strokeOpacity - specifies the opacity of the stroke color (a value between 0.0 and 1.0)
strokeWeight - specifies the weight of the line's stroke in pixels
fillColor - specifies a hexadecimal color for the area within the circle (format: "#FFFFFF")
fillOpacity - specifies the opacity of the fill color (a value between 0.0 and 1.0)
editable - defines whether the circle is editable by users (true/false)
Example