 | William Somerville Orr - Science - 1854 - 534 pages
...radios is therefore half the diameter, or a semidiameter. XT. A semicircle is the figure contained hy a diameter and the part of the circumference cut off by the diameter. XYI. Rectilineal figures are those which are enclosed by straight lines only. xvn. Trilateral figures,... | |
 | Euclides - 1855 - 270 pages
...is a straight line drawn through the centre, anc terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter. XIX. [A segment of -a- circle is the figure contained by a straight line, anc the part of the circumference... | |
 | Euclides - 1858 - 248 pages
...the circle AD BE. A diameter is double of a radius. 18. A semicircle is the figure contained by the diameter and the part of the circumference cut off by the diameter ; as ADBC A. The centre of the diameter forming one boundary of the semicir le, is the same with the... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...circle is a straight line drawn through the center, and terminated both ways by the circumference. xvm. A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter. XIX. The center of a semicircle is the same with that of the circle. XX. Rectilineal figures are those... | |
 | Euclides - 1862 - 172 pages
...circumference are equal to one another. XVI. And this point is called the centre of the circle. XVII. XVIII. A semicircle is the figure contained by a diameter...part 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... | |
 | Euclides - 1863 - 122 pages
...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 tho circumference cut off by the diameter. XIX. A segment of a circle is the figure contained by a... | |
 | Euclides - 1863 - 74 pages
...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 - 448 pages
...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...part of the circumference cut off by the diameter. XIX. The center of a semicircle is the same with that of the circle. XX. Rectilineal figures are those... | |
 | Robert Potts - 1865 - 528 pages
...circle is a straight line drawn through the center, and terminated both ways by the circumference. xvm. A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter. XIX. The center of a semicircle is the same with that of the circle. XX. Rectilineal figures are those... | |
 | Euclides - 1865 - 402 pages
...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...part 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... | |
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A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
