 | Henry White - 1856 - 168 páginas
...plane angle, a circle, a segment of a circle, a parallelogram, proportion, reciprocal proportion. 17 The angles which one straight line makes with another...angles, or are together equal to two right angles. 18 Divide a straight line into two parts, so that the rectangle contained by the whole and ono of the... | |
 | John Playfair - 1856 - 346 páginas
...the given point C a perpendicular CH has been drawn to the given straight line AB. PROP. XIII. THEOR. The angles which one straight line makes with another upon one side uf it, are, either two right angles, or are together equal to two right angles. Let the straight line... | |
 | Elias Loomis - 1857 - 242 páginas
...equal to each other. PROPOSITION II. THEOREM. The angles which one straight line makes w^tk another, one side of it, are either two right angles, or are together equJ< to two right angles. Let the straight line AB make with CD, upon one side of it, the angles ABC,... | |
 | War office - 1858 - 578 páginas
...fraction in its lowest terms. 9. Extract the square root of (1) 49084036 (2) 901. •• Euclid. 1. The angles which one straight line makes with another...angles, or are together equal to two right angles. 2. The straight lines which join the extremities of two equal and parallel straight lines towards the... | |
 | Elias Loomis - 1858 - 256 páginas
...right angles. Let the straight line AB make with CD, upon one side of it, the angles ABC, ABD ; these are either two right angles, or are together equal to two right angles. For if the angle ABC is equal to ABD, each of them is a right angle (Def. 10) ; but c K D if not, suppose... | |
 | Euclides - 1858 - 248 páginas
...— Ax. 4. If equals be added to unequals, the wholes are unequal. P. 13. The angles which one st. line makes with another upon one side of it are either two rt. angles, or are together equal to two rt. angles. Ax. 12. If a st. line meets two st. lines, so... | |
 | Sandhurst roy. military coll - 1859 - 672 páginas
...width, supposing its price to be 9*. 6</. a square yard. Euclid. 1. Define a right angley and show that the angles which one straight line makes with another...angles, or are together equal to two right angles. 2. Describe a parallelogram equal to a given rectilineal figure, and having an angle equal to a given... | |
 | Robert Potts - 1860 - 380 páginas
...point C, a perpendicular CH has been drawn to the given straight line AB. QEF PROPOSITION XIH. THEOREM. The angles which one straight line makes with another...angles, or are together equal to two right angles, Let the straight line AB make with CD, upon one side of it, the angles CBA, ABD. Then these shall be... | |
 | Royal college of surgeons of England - 1860 - 332 páginas
...2. Define a plane superficies, a right angle, an acute-angled triangle, a trapezium, a rectangle. 3. The angles which one straight line makes with, another...angles, or are together equal to two right angles. 4. If from the ends of a side of a triangle, there be drawn two straight lines to a point within the... | |
 | Popular educator - 1860 - 424 páginas
...anglet; and from Prop. XIII., Book I., which asserts that the anglei "/in-/, one straight line ma/tes with another upon one side of it, are either two right angles, or are together equal to two right angle«. The proof of the latter proposition is very easy ; for by referring to figs. 12 and 13, it... | |
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The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. 
