| Clara Avis Hart, Daniel D. Feldman - Geometry - 1912 - 504 pages
...^A. 480. Cor. m. (a) Two rectangles having equal bases are to each other as their altitudes, and (b) **two rectangles having equal altitudes are to each other as their bases.** OUTLINE op PROOF 6 • ft ft i\ R 6 • ft & Ex. 803. Draw a rectangle whose base is 7 units and whose... | |
| William Betz, Harrison Emmett Webb, Percey Franklyn Smith - Geometry, Modern - 1912 - 360 pages
...COROLLARY 2. Two rectangles having equal bases are to each other as their altitudes. 324. COROLLARY 3. **Two rectangles having equal altitudes are to each other as their bases.** 325. COROLLARY 4. Two rectangles having equal altitudes and equal bases are equal. The above corollaries... | |
| Clara Avis Hart, Daniel D. Feldman, Virgil Snyder - Geometry, Solid - 1912 - 216 pages
...altitudes. 480. (a) Two rectangles having equal bases are to each other as their altitudes, and (li) **two rectangles having equal altitudes are to each other as their bases.** 481. The area of a parallelogram equals the product of its base and its altitude. 482. Parallelograms... | |
| George Albert Wentworth, David Eugene Smith - Geometry - 1913 - 500 pages
...word equal is often used to mean " equivalent." BOOK IV. PLANE GEOMETRY PROPOSITION I. THEOREM 316. **Two rectangles having equal altitudes are to each other as their bases.** A ~x 'BA x Given the rectangles AC and AF, having equal altitudes AD. To prove that OAC:DAF = base... | |
| Claude Irwin Palmer, Daniel Pomeroy Taylor - Geometry, Plane - 1915 - 296 pages
...two rectangles having equal bases are to each other as their altitudes. 350. Theorem. The areas of **two rectangles having equal altitudes are to each other as their bases.** 351. Theorem. Tim rectangles having equal bases and equal altitudes are equal in area. The preceding... | |
| Edith Long, William Charles Brenke - Geometry, Modern - 1916 - 292 pages
...A PERIGON. PART III— INCOMMENSURABLE CASES PART I— AREAS OF RECTILINEAR FIGURES 250. Theorem I. **Two rectangles having equal altitudes are to each other as their bases.** R: Given the rectangles R and R' with equal altitudes a, and with unequal bases b and b\ respectively.... | |
| Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 292 pages
...A PERIGON. PART III— INCOMMENSURABLE CASES PART I— AREAS OF RECTILINEAR FIGURES 250. Theorem I. **Two rectangles having equal altitudes are to each other as their bases.** Given the rectangles R and R' with equal altitudes a, and with unequal bases b and b\ respectively.... | |
| William Betz - Geometry - 1916 - 536 pages
...COROLLARY 2. Two rectangles having equal bases are to each other as their altitudes. 324. COROLLARY 3. **Two rectangles having equal altitudes are to each other as their bases.** 325. COROLLARY 4. Two rectangles having equal altitudes and equal bases are equal. The above corollaries... | |
| Claude Irwin Palmer - Geometry, Solid - 1918 - 192 pages
...two rectangles having equal bases are to each other as their altitudes. § 350. Theorem. The areas of **two rectangles having equal altitudes are to each other as their bases.** § 351. Theorem. Two rectangles having equal bases and equal altitudes are equal in area. § 354. Theorem.... | |
| Claude Irwin Palmer, Daniel Pomeroy Taylor - Geometry - 1918 - 436 pages
...two rectangles having equal bases are to each other as their altitudes. 360. Theorem. The areas of **two rectangles having equal altitudes are to each other as their bases.** 351. Theorem. Two rectangles having equal bases and equal altitudes are equal in area. The preceding... | |
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