| Euclides, Frederick Burn Harvey - Geometry - 1880 - 178 pages
...obtuse angle contains more, and an acute angle less, than 90 degrees. 16. A DIAMETER OF A CIRCLE is a **straight line drawn through the centre, and terminated both ways by the** circumference. Thus BAG and DAE are diameters. A straight line drawn in a circle, not through the centre,... | |
| Euclides - Euclid's Elements - 1881 - 236 pages
...drawa from the centre to ihe circumference, ie called the radios. XVII. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. XVIII. A semicircle is the figure contained by a diameter and the part of ths circumference... | |
| Joseph Ficklin - Arithmetic - 1881 - 406 pages
...circle is a straight line drawn from the centre to the circumference. The Diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. WRITTEN EXERCISES. 617. To find the area of a triangle. 1st. When the base and altitude... | |
| Isaac Sharpless - Geometry - 1882 - 292 pages
...These lines are called radii, and this point is the centre of the circle. 32. A diameter of a circle is **any straight line drawn through the centre, and terminated both ways by the** circumference. 33. A semicircle is the figure contained by the diameter and the part of the circumference... | |
| Marianne Nops - 1882 - 278 pages
...resembles). 16. ' And this point is called the centre of the circle.' 17. ' A diameter of a circle is a **straight line drawn through the centre and terminated both ways by the** circumference ' (equal in length to two radii). 1S. ' A semicircle is the figure contained by a diameter,... | |
| William Dodds - 1883 - 202 pages
...to the circumference. 0 A is a radius ; 0 D and 0 G are also radii. 98. A diameter of a circle is a **straight line drawn through the centre and terminated both ways by the** circumference. A 0 is a diameter. The diameter is of course twice the length of tlio radius. The circumference... | |
| Mathematical association - 1883 - 86 pages
...is a straight line drawn from the centre to the circumference. DEF. 10. A diameter of a circle is a **straight line drawn through the centre and terminated both ways by the** circumference. [An angle is a simple concept incapable of definition, properly so called, but the nature... | |
| Euclides - 1883 - 176 pages
...of a circle, radii of the same circle are all equal to one another. 13. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. 14. A semicircle is the figure enclosed by a diameter and the part of the circumference... | |
| Association for the improvement of geometrical teaching - Geometry, Modern - 1884 - 150 pages
...is a straight line drawn from the centre to the circumference. DEF. 43. A diameter of a circle is a **straight line drawn through the centre and terminated both ways by the** circumference. It follows from the definition of a circle that a point is within * NOTE. — Euclid... | |
| Euclides - 1884 - 434 pages
...the circumference. Thus OA, OB, OC, &c. are radii of the circle ACF. 18. A diameter of a circle is a **straight line drawn through the centre, and terminated both ways by the** circumference. Thus in the preceding figure BF is a diameter of the circle ACF. RECTILINEAL FIGURES.... | |
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