An elementary treatise on modern pure geometry (1893)
Lachlan, Robert · London, New York, Macmillan and Co. · leaf 298
will be ininvolution. Ex. 3. Show how to find a point on each of two given straight lines suchthat the line joining them shall subtend given angles at two given points. Ex. 4. Show how to inscribe a triangle in a given triangle, such that thesides of the triangle shall pass through three given… … 282 CIRCLES TOUCHING THREE GIVEN ONES. draw any line cutting CA in Q and AB in R; and let QC, RB meet BC inP and P. Then, as the line QR turns about the point A, the points P, PwiU form two homographic ranges. If the double points of these ranges be Sand S, it is evident that the line.s SB, SC will…
Geometry
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