... circles touch one another internally, they shall not have the same centre. Let the two circles ABC, CDE touch one another internally EUC. B. III. OF GEOMETRY. 61.
|Title||:||Elements of Geometry: consisting of the first four and the sixth Books of Euclid, chiefly from the text of R. Simson; with the principal theorems in proportion, and a course of practical geometry on the ground. Also four tracts relating to circles, planes and solids, with one on spherical geometry. ... By J. Narrien|