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The complements of the parallelograms, which are about the diameter of any parallelogram, are equal to one another.
Elements of Geometry, Containing the First Six Books of Euclid - Page 31
by Euclid - 1826 - 180 pages

## A Text-book of Euclid's Elements for the Use of Schools, Book 1

Euclid - Euclid's Elements - 1904 - 488 pages
...opposite angular points. PROPOSITION 43. THEOREM. The complements of the parallelograms about the diagonal of any parallelogram, are equal to one another. Let ABCD be a parallelogram, and KD, KB the complements of the parallelograms EH, GF about the diagonal AC. Then shall the complement...

## Report of Her Majesty's Civil Service Commissioners: Together ..., Volumes 15-16

1870 - 964 pages
...whose distances from these four points is the least possible. 2. The complements of the parallelograms which are about the diameter of any parallelogram are equal to one another. State and prove the converse of this proposition. 3. The opposite angles of any quadrilateral figure...

## Calendar

University of Cambridge - 1838 - 496 pages
...9 o'clock to Hi. First, Second, Third, and Fourth Classes. \. THE complements of the parallelograms which are about the diameter of any parallelogram are equal to one another. 2. Describe a square which shall be equal to a given rectilineal figure. 3. A can do a piece of work...