Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 38
ll somewhere onBEj or on its prolonga-tion. 3. Also CB will become col- linear with FEj and Bwill fall somewhere onFEj or on its prolonga-tion. 4. .*. point B must fall on point E. 5. .\ A ABC = A DEF, Q.E.D. Reasons 1. Any geometric figure may- be moved from one posi-tion to another withoutchange… … Ex. 53. In the figure for Prop. II, assume AB=DE, angle ^ =angle D, and angle B = angle F; repeat the proof by superposition,marking the lines with colored crayon as soon as their positions aredetermined. Ex. 54. Place polygon Iupon polygon II so that somepart of I shall fall upon its equalin II.…
Geometry, Plane · Geometry, Solid
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep01muss-130-38.webp)
