When displaying two features, a polygon a (see geoJSON) and its minimum bounding rectangle b (see geoJSON), I get the following result when viewing on geojson.io:
The minimum bounding rectangle around the polygon looks more like a parallelogram than a rectangle to me.
However, when I upload these same features to OpenLayers, the distortion is gone:
Is this a projection issue?
أكثر...

The minimum bounding rectangle around the polygon looks more like a parallelogram than a rectangle to me.
However, when I upload these same features to OpenLayers, the distortion is gone:

Is this a projection issue?
أكثر...