 | Eugene Randolph Smith - Geometry, Plane - 1909 - 424 pages
...in pairs. If the figure is formed by straight lines, it is called a rect1linear figure. 30. Planes. A surface in which, any two points being taken, the straight line which joins them lies wholly in the surface is called a plane surface, or simply a plane. A plane might... | |
 | Frank Eugene Kidder - Architecture - 1921 - 1944 pages
...252.41 277.81 303.21 3. GEOMETRY AND MENSURATION Definitions A POINT is that which has only position. A PLANE is a surface in which, any two points being taken, the straight line joining them will be wholly in the surface. A CURVED LINE is a line of which DO part is straight (Fig. 1).... | |
 | Frank Eugene Kidder - Architecture - 1921 - 1940 pages
...252.41 277.81 303.21 3. GEOMETRY AND MENSURATION Definitions A POINT is that which has only position. A PLANE is a surface in which, any two points being taken, the straig! joining them will be wholly in the surface. A CURVED LINE is a line of which no part is straight... | |
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A surface is that which has length and breadth, without thickness. 6. A plane is a surface, in which any two points being taken, the straight line joining those points lies wholly in that surface. 
