Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 71
le of the arc MHP (p. 6) ; therefore, the arcsMH^ HP^ included between the parallels AB^ JDE^ areequal. Third. If the two parallels DE^ IL^ are tangents, theone at H^ the other at K^ draw the parallel secant AB;and, from what has just been shown, we shall have 2IH=HP, MK=KP:and hence, the whole are… … PKOPOSITION XI. THEOEEM. If two circumferences have one jioint common, out of the straightlirie which joins their centres, they will also have a secorJipoint in common ; and the two points ivill he situated in aline perpendicular to the line joining the centres^ and aiequal distances from it. Let…
Geometry · Trigonometry
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