| Euclides - 1863
...radius, (radius, the spoke of a wheel), 18. A semicircle (semi, half), is the figure contained by the **diameter and the part of the circumference cut off by the diameter;** as ADBCA. The Semicircle divided into 180 equal parts, for the Protractor, as it is called when the... | |
| Euclides - 1864
...is a straight line drawn through the center, and terminated both ways by the circumference. XVIII. **A semicircle is the figure contained by a diameter...lines. XXII. Quadrilateral, by four straight lines.** XXIII. Multilateral figures, or polygons, by more than four straight lines. XXIV. Of three-sided figures,... | |
| Euclides - 1864
...circle is a straight line drawn through the center, and terminated both ways by the circumference. XVHI. **A semicircle is the figure contained by a diameter...lines. XXII. Quadrilateral, by four straight lines.** XXIII. Multilateral figures, or polygons, by more than four straight lines. XXIV. Of three-sided figures,... | |
| Euclides - 1865
...is called a perpendicular to it. An obtuse angle is that which is greater than a right angle. XVIII. **A semicircle is the figure contained by a diameter...of the circumference cut off by the diameter. XIX.** A segment of a circle is the figure contained by a straight line, and the circumference it cuts off.... | |
| William Harris JOHNSTON - 1865
...joining the two extremities of the arc. A semi-circle or half circle, is the figure contained by the **diameter and the part of the circumference cut off by the diameter,** as DAP, or D С P. A quadrant, as AED, is the figure contained by two radii which are perpendicular... | |
| Edward Clarke Lowe - 1866
...circle is a straight line drawn through the centre, and terminated both ways by the circumference. 18. **A semicircle is the figure contained by a diameter and the part of the circumference** it cuts off. 19. A segment of a circle is the figure contained by a straight line and the part of the... | |
| Euclid, Isaac Todhunter - 1867 - 400 pagina’s
...circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.] 18. **A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter.** 19. A segment of a circle is the figure contained by a straight line and the circumference which it... | |
| Robert Potts - 1868 - 410 pagina’s
...circle is a straight line drawn through the center, and terminated both ways by the circumference. XVIIL **A semicircle is the figure contained by a diameter and the part of the circumference cut** on' by the diameter. XIX. The center of a semicircle is the same with that of the circle. XX. Rectilineal... | |
| Euclides - 1871
...circle, and the straight line AOD is a Diameter. Henco the radius of a circle is half the diameter. XVI. **A SEMICIRCLE is the figure contained by a diameter...part of the circumference cut off by the diameter.** XVII. RECTILINEAR figures are those which are contained by straight lines. The PERIMETER (or Periphery)... | |
| Euclides, James Hamblin Smith - 1872 - 349 pagina’s
...circle, and the straight line AOD is a Diameter. Hence the radius of a circle is half the diameter. XVI. **A SEMICIRCLE is the figure contained by a diameter...part of the circumference cut off by the diameter.** XVII. RECTILINEAR figures are those which are contained by straight lines. The PERIMETER (or Periphery)... | |
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