 | Euclides - 1860 - 288 sider
...the exterior angle; thus ACD (see fig. Prop. xvii. Book I.) is an exterior angle of the triangle ABC. 34. Parallel straight lines are such as are in the...being produced ever so far both ways, do not meet. * 35. A straight line cutting or falling upon two parallel lines is called a secant, as EF. 36. The... | |
 | Robert Potts - 1860 - 380 sider
...angles right angles. XXXIV. AH other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet. A. A parallelogram is a four-sided figure, of which the opposite side* are parallel : and the diameter,... | |
 | Elias Loomis - 1861 - 244 sider
...which is less than a right angle. An obtuse angle is one which : s greater than a right angle. 12. Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet. 13. A. plane figure is a plane terminated on all sides lines either straight or curved. If the lines... | |
 | Theophilus Parsons - 1861 - 500 sider
...of two finite right lines, -which constitutes their parallelism. According to Euclid, parallel right lines are such as are in the same plane, and which,...being produced ever so far, both ways, do not meet. This is not a definition of the position of two finite right lines, which constitutes their parallelism,... | |
 | Euclides - 1862 - 140 sider
...opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. 34. Parallel straight lines are such as are. in the...being produced ever so far both ways do not meet. 35. A parallelogram is a four-sided figure, of which th« opposite sides are parallel ; and the diagonal... | |
 | Euclides - 1862 - 172 sider
...angles right angles. XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines, are such as are in the same...produced ever so far both ways do not meet. POSTULATES. I. Let it be granted that a straight line may be drawn from any one point to any other point. II. That... | |
 | Euclides - 1864 - 448 sider
...angles right angles. xxx1v. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet. A. A parallelogram is a four-sided figure, of which the opposite sides are parallel : and the diameter,... | |
 | Euclides - 1864 - 262 sider
...angles right angles. XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet. A. A parallelogram is a four-sided figure, of which the opposite sides are parallel: and the diameter,... | |
 | Robert Potts - 1865 - 528 sider
...XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight linos are such as are in the same plane, and which being produced ever so far both ways, do not meet. A. A parallelogram is a four-sided figure, of which the opposite sides are parallel : and a diameter,... | |
 | Edward Clarke Lowe - 1866 - 172 sider
...angles right angles. [ | 34. All other four- sided figures besides these, are called Trapeziums. 35. Parallel straight lines are such as are in the same...being produced ever so far both ways do not meet. 36. A parallelogram is a four-sided figure of which the opposite sides are parallel ; and the diagonal... | |
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Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet. 
