| Robert Simson - Trigonometry - 1762 - 466 pages
...angles of every triangle are ec(ual to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D. the exterior angle ACD is equal to the two interior and** oppofite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB are together... | |
| Robert Simson - Trigonometry - 1775 - 520 pages
...angles of every triangle are equal to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D ; the exterior angle ACD is equal to the two interior and** oppofite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB are together... | |
| Euclid - 1781 - 520 pages
...angles of every triangle are equal to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D ; the exterior angle ACD is equal to the two interior and** oppofite angles CAB, ABC; and the three interior ang'es of the triangle, viz. AI3C, BCA, CAB are together... | |
| John Playfair - Euclid's Elements - 1795 - 400 pages
...angles of every triangle are equal to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D ; the exterior angle ACD is equal to the two** in- . terior and oppofite angles CAB, ABC and the three interior angles of the triangle, viz. ABC,... | |
| Alexander Ingram - Trigonometry - 1799 - 351 pages
...angles of every triangle are equal to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D ; the exterior angle ACD is equal to the two interior and** oppofite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB are together... | |
| Robert Simson - Trigonometry - 1804
...angles of every triangle are equal to two right angles. Let ABC be a triangle, and let one of its fides **BC be produced to D. the exterior angle ACD is equal to the two interior and** oppofite angles CAB, ABC ; and the three interior angles of the triangle, Viz. ABC, BCA, CAB are together... | |
| John Playfair - Euclid's Elements - 1806 - 311 pages
...and opposite angles ; and the three interior angles of every triangle are equal to two right angles. **Let ABC be a triangle, and let one of its sides BC...equal to the two interior and opposite angles CAB, ABC** ; and the three interior angles of the triangle, viz. ABC, BCA, CAB, ar etogether equal to two right... | |
| Euclid, Robert Simson - Euclid's Elements - 1806 - 518 pages
...and opposite angles ; and the three interior angles of every triangle are equal to two right angles. **Let ABC be a triangle, and let one of its sides BC...equal to the two interior and opposite angles CAB, ABC** ; and the three interior angles of the triangle, viz. ABC, BCA, CAB, are together equal to two right... | |
| Euclides - Euclid's Elements - 1816 - 528 pages
...and opposite angles ; and the three interior angles of every triangle are equal to two right angles. **Let ABC be a triangle, and let one of its sides BC...to the two interior and opposite angles CAB> ABC,** and the three interior angles of the triangle, viz. ABC, BCA, CAB, are together equal to two right... | |
| John Playfair - Circle-squaring - 1819 - 333 pages
...and opposite angles ; and the three interior angles of every triangle are equal to two right angles. **Let ABC be a triangle, and let one of its sides BC...equal to the two interior and opposite angles CAB, ABC** ; and the three interior angles of the triangle, viz. ABC, BCA, CAB, are together equal to two right... | |
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