How to type a degree symbol in Linux
In windows, apparently you hold down Alt+0176.
Linux is different and to achieve the same, hold down Ctrl+Shift and type u+00b0, though if you are writing for html, the correct symbol is
Alternatively you can copy and paste it from this table on wikipedia, which includes other useful symbols like Pound, Registered and Copyright.
It will actually type the u00b0 until you complete and then it will form the degree symbol like so: °