 | Charles Richson - 1848 - 98 頁
...to touch the extremities of the lower horizontal; — beginning on the left side. DEFINITION. — " Parallel straight lines are such as are in the same...being produced ever so far both ways, do not meet." EXERCTSES. — 1. Draw the above figure in various sizes. 2. Two isoceles triangles are here formed;... | |
 | John Bonnycastle - 1848 - 320 頁
...is a quadrilateral, whose sides are all equal, but its angles not right angles.* 35. Parallel right lines are such as are in the same plane, and which...being produced ever so far both ways, do not meet. 36. A. parallelogram is a quadrilateral whose opposite sides are parallel. 1 This figure, by working... | |
 | Euclid, Thomas Tate - 1849 - 120 頁
...angles right angles. xxxrv. 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. POSTULATES. I. Let it be granted that a straight line may be drawn from any one point to any other... | |
 | Euclides - 1852 - 152 頁
...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. Fig. 1. Fig. 2. [Fig. 1. lines parallel; Jig. 2. lines not parallel. Observe particularly the words,... | |
 | Royal Military Academy, Woolwich - 1853 - 400 頁
...its 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. POSTULATES. 1. Let it be granted that a straight line may be drawn from any one point to any other... | |
 | Euclides - 1853 - 176 頁
...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. POSTULATES. L Let it be granted that a straight line may be drawn from any one point to any other point.... | |
 | Euclides - 1853 - 146 頁
...angles right angles. xxxrv. 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. POSTULATES. Let it be granted that a straight line may be drawn from any one point to any other point.... | |
 | William Somerville Orr - 1854 - 534 頁
...opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. Parallel straight lines are such as are in the same plane, and which, being produced ever во far both ways, do not meet. If etch pair of opposite sidea of a quadrilateral be parallel lines,... | |
 | Euclides - 1855 - 270 頁
...but if one opposite pair be parallel and the other pair not, the figure is called a trapezoid. XXXV. Parallel straight lines are such as are in the same...being produced ever so far both ways do not meet. The meaning of this йейпШьп is, that the space between the lines is always of the same breadth.... | |
 | Edward Hughes - 1855 - 472 頁
...Parallel— from two Greek words meaning alongside of each ot1ier, as applied to lines, for instance, are such "as are in the same plane, and which: being produced ever so far both ways do not meet." Pendulum — from Pendeo, / hang, is technically defined as a vibrating body suspended from a fixed... | |
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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. 
