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 144
n the difference of the reciprocals of the sides riven, that the base always passes through a fixed point on thebisector of the external vertical angle. Q. E. D. 153. Given base of a triangle, vertical angle, and 8 :nstruct the triangle. First, when the sum of the sides is given. Draw EB equal to… … CA% making the angle EC A equal to CEA. Tlien BAG is therequired triangle, for it obviously has the given base, givenvertical angle and given sum of sides. Next, when the difference of sides is given. Draw DB equalto the given difference of sides, andDF making the angle ADF equal tohalf the…
Geometry
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