Situate the mirror so it reflects light.
It is easily seen that, in the process of determining the masscentre, any group of particles may be replaced by a single particle whose mass isequal to that of the group, situate at the mass-centre of the group.
In historic times it was situate on the lower slopes of the hills, Coressus and Prion, which rise out of a fertile plain near the mouth of the river Cayster, while the temple and precinct of Artemis or Diana, to the fame of which the town owed much of its celebrity, were in the plain itself, E.N.E.
A circlet of radially situate infrabasals (IBB) may also be present.
Many of them lived in the various vihdras or residences situate throughout the island; but the main centre of intellectual effort, down to the 8th century, was the Maha Vihara, the Great Minster, at Anwradhapura.