<span>In musical notation, silences are indicated by a rest. A rest is a symbol that indicates the duration of the silence or pause. There are different rest symbols that correspond with specific note values for length that indicate how long the silence has to last.</span>
Mostly domes and arches are two elements often found in Muslim architecture.
Hope this helps :)
~Davinia.
the square root of 193/225 is .9261629326....
but the root of 225/193 is 1.079723626