Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 378
ace bk, 3. .-. face 7?^= face bk. 4. Similarly face i?3f=face bm, and face 5^ = face be\ 5. .-. truncated prism AN = truncated prism an (§ 737). 6. But truncated prism An = truncated prism AN, 7. .-. oblique prism AD^vt prism KN. q.e.d. 789. Question. Is there a tlieorein in Hook IV tliat… … Given parallelopiped I with its volume denoted by F, its baseby B, and its altitude by H, To prove V =^ B - H. Argument 1. Prolong edge AC and all edges of III AC, 2. On the prolongation of AC take DF = AC, and through D and i^ pass planesJ_ AF, forming rt. parallelopiped //. 3. Then/=o=il. 4.…
Geometry, Plane · Geometry, Solid
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