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" ... distant from a point within, called the centre. In popular language, however, the circumference itself is often called a circle. Circular. Semicircles are half circles. Semicircular. A Segment. of a circle is a part of a circle cat off by a straight... "
A Treatise on Land-surveying, in Six Parts ... - Page 6
by Thomas Dix (of Oundle.) - 1799 - 193 pages
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A Treatise on Land-surveying: In Seven Parts...

Thomas Dix (of Oundle.) - Surveying - 1802 - 276 pages
...greater or less than a semicircle, and bounded by the circumference is called a Chord, as A B. — (Last figure.) 16. And the part of the circumference which is cut off by it is called an Arc, as AB C. — (Last Figure.) l*j. All figures contained by three straight lilies are called Triangles....
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A Manual of Information and Suggestions for Object Lessons, in a Course of ...

Marcius Willson - Object-teaching - 1863 - 356 pages
...circle is a part of a circle cut offby a straight line. This straight line is called a chord; and that part of the circumference which is cut off by it is called an ore. An arc is, also, any part of the circumference. A Quadrant is a quarter of a circle. A Sector...
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A Manual of Information and Suggestions for Object Lessons in a Course of ...

Marcius Willson - Object-teaching - 1875 - 348 pages
...circle is a part of a circle cat off by a straight line. This straight line is called a chord; and that part of the circumference which is cut off by it is called an arc. An arc is, also, any part of tho circumference. A Quadrant is a quarter of a circle. A Sector is the...
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