A coastline is not an area.
A coastline is a "line". Lines do not have an area they have length.
The ocean which borders Australia's western coastline is the Indian Ocean.The arm of the Indian Ocean that touches the northern part of Western Australia is the Timor Sea.
Indian ocean
yes
Maharashtra
The Indian Ocean borders Australia's western coastline.
It is one, but not the same thing. An area can be anywhere & coastline is along the beach.
yes
The Indian Ocean
It is 7500 kilometers long.
Bangladesh is a country located on the Indian Ocean. So the country's coastline is on the Indian Ocean.
The Littoral Zone .