title: google maps. how to create a LatLngBounds rectangle (square) given coords of a central point
body: <p>I have a point (X,Y) and I want to create a square , Google maps LatLngBounds object so to make geocode requests bias only into this LatLngBound region.</p>
  
  <p>How can I create such a LatLngBounds square with center the given point? I have to find the NE and SW point. But how can I find it given a distance d and a point (x,y)?</p>
  
  <p>Thanks</p>