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 203
P is determined. 205. If two pencils have the same anharmonic ratio, andif two angles of the one be respectively equal to two anglesof the other, the two remaining angles shall also be equal orone of them the supplement of the whole angle of the otherpencil. Let P . ABCD and F. A!BCD be two pencils…
Geometry
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