| John Playfair - 1836 - 311 sider
...Wherefore straight lines, &c. QED PROP. XXXI. PROB. To draw a straight line through a given point parallel **to a given straight line. Let A be the given point,...and BC the given straight line ; it is required to** A draw a straight line jg through the point A, parallel to the straight line BC. g ^ In BC take any... | |
| Adrien Marie Legendre - 1836 - 359 sider
...into eight, into sixteen, and so ri" • PROBLEM VI. V...-- Through a given point, to draw a parallel **to a given straight line. Let A be the given point, and BC the given** line. 3 From the point A as a centre, with a radius greater than the shortest distance from A to BC,... | |
| Euclid, James Thomson - 1837 - 390 sider
...line two equilateral triangles may be described one on each side of it. PROP. II. PROB. FUOM a given **point to draw a straight line equal to a given straight...given straight line ; it is required to draw from** A a straight line equal to BC. From the point A to B draw (I. post. 1.) the straight line AB; and upon... | |
| Andrew Bell - 1837 - 240 sider
...parallel to CD (I. 27). PROPOSITION XXXI. PROBLEM. To draw a straight line through a given point parallel **to a given straight line. Let A be the given point,...BC the given straight line ; it is required to draw** a straight line E > r In BC take any point D, and join AD ; and at the point A, in the straight line... | |
| Euclides - 1837 - 88 sider
...triangle upon a !D given finite straight line. PROrOSITION II. \ ...H D "".... KAN Problem. From a given **point to draw a straight line equal to a given straight line.** Steps of the Demonstration. The 1st thing to be proved is that BG = B c, 2. that DL = DG, 3. that AL... | |
| A. Bell - 1837 - 164 sider
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH ; **it is required to draw from the point A a straight line** perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw AD... | |
| John Playfair - 1837 - 318 sider
...perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH, **it is required to draw from the point A a straight line** perpendicular to the plane BH. In the plane draw any straight line BC, and from the point A draw (Prop.... | |
| Euclides - 1838
...lines, &c. QED PROP. XXXI. PROS. To draw a straight line through a gieen point parallel to a gieen **straight line. Let A be the given point, and BC the given straight line ; it is required to draw** a straight line through the point A, parallel to the straight line BC. In BC take any point D, and... | |
| Euclides - 1841 - 351 sider
...straight lines, &c. QED * ". l. PROP. XXXI. PROB. To draw a straight line through a given point parallel **to a given straight line. Let A be the given point,...BC the given straight line; it is required to draw** a r A r straight line through the point A, ~/ parallel to the straight line BC. _ jf_ In BC take any... | |
| Thomas Grainger Hall - 1841 - 100 sider
...perpendicular to a plane from a given point above it. Let A be the given point, BH the given plane; **it is required to draw from the point A, a straight line** _L to BH. In the plane draw any straight line BC, and from A draw AD a. to BC. Then if AD be also -i-... | |
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