 | Charles Godfrey, Arthur Warry Siddons - 1903 - 384 pagina’s
...together less than two right angles. COR. 4. Every triangle has at least two of its angles acute. COR. 5. If two triangles have two angles of the one equal to two angles of the other, each to each, then the third angles are also equal. COR. 6. The sum of the angles of a quadrilateral is equal to... | |
 | 1903 - 692 pagina’s
...each to each, and also the angles contained by 'hole sides equal, the triangles are congruent. Utwo triangles have two angles of the one equal to two angles of the other, each to each, and also one side of the one equal to '••« corresponding side of the other, the triangles are congruent.... | |
 | Euclid - 1904 - 488 pagina’s
...to two right angles. I. 13. From this Proposition we draw the following important inferences. 1 . // two triangles have two angles of the one equal to two angles of the other, each to each, then the third angle of the one is equal to the third angle of the other. 2. In any right-angled triangle... | |
 | George Albert Wentworth - 1904 - 496 pagina’s
...of a triangle is taken from two right angles, the remainder is equal to the third angle. 132. COR. 3.. If two triangles have two angles of the one equal to two angles of the other, the third angles are equal. "<rwab* •**• <'• Vj 82 TRIANGLES. S3 133. COR. 4. If two right triangles... | |
 | Wilbur Fisk Nichols - 1905 - 208 pagina’s
...acute angles of a right triangle are angles. 6. Each angle of an equilateral triangle must be . 7. If two triangles have two angles of the one equal to two angles of the other, the third angles are . 8. If two right triangles have one acute angle of one equal to an acute angle... | |
 | 1907 - 880 pagina’s
...this topic be selected as basic principles the following theorems: "Two triangles are similar If they have two angles of the one equal to two angles of the other; Two triangles are similar if they have nn angle of the one equal to an angle of the other and the including... | |
 | 1879 - 944 pagina’s
...topic lie selected as basic principles the following theorems : "Two triangles are similar if they have two angles of the one equal to two angles of the other; Two triangles are similar If they have an angle of the one equal to an angle of the other and the including... | |
 | Isaac Newton Failor - 1906 - 440 pagina’s
...obtuse angle. 155 COROLLARY 2. The acute angles of a right triangle are complementary. 156 COROLLARY 3. If two triangles have two angles of the one equal to two angles of the other, the third angles are equal. 157 COROLLARY 4. Each angle of an equilateral triangle is 60°. PROPOSITION... | |
 | Isaac Newton Failor - 1906 - 431 pagina’s
...obtuse angle. 155 COROLLARY 2. The acute angles of a right triangle are complementary. 156 COROLLARY 3. If two triangles have two angles of the one equal to 'two angles of the other, the third angles are equal. 157 COROLLARY 4. Each angle of an equilateral triangle is 60°. PROPOSITION... | |
 | University of Sydney - 1906 - 738 pagina’s
...HALF. PAPER A. — (Eucm>.) 1. Any two sides of a triangle are together greater than the third. 2. If two triangles have two angles of the one equal to two angles of the other respectively and one side equal, etc. Complete this enunciation and prove the theorem. If the diagonal... | |
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If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal... 
