Text-book of Euclid's elements for the use of schools : books I - VI and XI (1900)
Hall, H. S. (Henry Sinclair), 1848-1934, Stevens, F. H. (Frederick Haller), 1853-1933 · MacMillan : London · leaf 316
e inscribed circle of thetriangle ABC, and Dl5 E1? Fj the points of contact of the escribedcircle, which touches BC and the other sides produced: a, b, c denotethe length of the sides BC, CA, AB ; s the semi-perimeter of thetriangle, and r, r2 the radii of the inscribed and escribed circles. Prove… … 298 EUCLIDS ELEMENTS. 2. In the triangle ABC, I is the centre of the Inscribed circle, andJi, l2, l3 the centres of the. escribed circles touching respectively the sidesBC, CA, AB and the other sides produced.
Geometry · Mathematics
Internet Archive · UBC Library · Public Domain Mark 1.0. Free to use for anything.
