 | Euclid - 1845 - 218 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, BCD BCA, CAB, are together equal to two right... | |
 | Euclides - 1845 - 546 pages
...opposite angles; and Ihe three interior angles of every triangle are together equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D. Then the exterior angle ACD shall be equal to the two interior and opposite angles CAB, ABC: and the... | |
 | Euclid, James Thomson - 1845 - 382 pages
...angles ; and (2) the three interior angles of every triangle are together equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D : (1 ) the exterior angle ACD is equal to the two interior and remote angles CAB, ABC ; and (2) the... | |
 | Euclides - 1846 - 292 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 be produced to D : the exterior angle ACD shall be equal to the two interior and opposite angles CAB, ABC; and the . . n three interior angles... | |
 | Euclid, John Playfair - 1846 - 334 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 he produced to D ; the exterior angle ACD is equal to the two interior and opposite angles CAB, ABC... | |
 | Anthony Nesbit - 1847 - 492 pages
...the same side, are together equal to H\ two right angles. (Euc. I. 29. Simp. I. 7. \ Em. I. 4.) c D THEOREM IV. Let ABC be a triangle, and let one of...be produced to D ; the exterior angle ACD is equal A to the two interior and opposite angles CAB, ABC; also the three interior angles of every triangle... | |
 | Euclid, Thomas Tate - 1849 - 120 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 triangles, viz. ABC, BCA, CAB, are together equal to two right... | |
 | Elias Loomis - 1849 - 252 pages
...the interior and opposite angle ABC. But the angle ACE was proved equal to BAC; therefore the whole exterior angle ACD is equal to the two interior and opposite angles CAB, ABC (Axiom 2). To each of these equals add the angle ACB; then will the sum of the two angles ACD, ACB... | |
 | Euclides - 1852 - 152 pages
...and opposite angles. And the three interior angles of every triangle are equal to two riffht angles. Let ABC be a triangle, and let one of its sides BC be produced to D; (1.) the exterior angle ACD is equal to the two interior and opposite angles CAB, ABC; (2.) and the... | |
 | Royal Military Academy, Woolwich - 1853 - 400 pages
...and opposite angles ; and the three inferior angles of every triangle are equal to two rigJit 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... | |
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... are equal to two right angles. Let ABC be a triangle, and let one of its sides BC be produced to D ; the exterior angle ACD is equal to the two interior and opposite angles CAB, ABC ; and the three interior angles of the triangle, viz. ABC, BCA, CAB,... 
