Exercises on Euclid and in modern geometry for the use of schools, private students, and junior university students (1881)
McDowell, James L · Cambridge, Deighton, Bell, and Co. · leaf 146
. BC is the requiredline. Because the angles BCF and BAFare equal, therefore the figure ABFC iscircumscribable bv a circle, and there-fore BD.DC=AD. DE. q. e. f. X.B. Let the given point D be outside the given angle BAC.Make AD . DE equal to the givenrectangle, and on DE describe a seg-ment of a…
Geometry
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