A complete and practical solution book for the common school teacher (1899)
Fairchild, J[ohn] T[heodore] [from old catalog] · Crawfis College, Ohio, The author · leaf 168
hat the difference between the hypothenuse and the sum ofthe two legs of a right-angled triangle is equal to the diameter of theinscribed circle. MENSURA TION. 153 Solution. (1) Let ABC be the triangle, and O the center of theinscribed circle. BE,BF, AE, AK, KC andFC are tangents to thesame circle;… … FIG. 25. PROBLEM 328, From a right-angled triangular piece of tin whose sides measurea = 13, b = 12 and c = 5 inches, cut out. first, the greatest possible cir-cle; and after that, the greatest possible rectangle: find the length andbreadth of the rectangle. Solution.
Arithmetic · Geometry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.