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A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another : XVI.
The Elements of Geometry, Symbolically Arranged - Page 3
by Great Britain. Admiralty - 1846

## The First Six Books with Notes

Euclid - 1822 - 222 pages
...surface^ which is. bounded on all sides by one or more lines. 15. A circle is a plane figure bounded by one line,, which is called the circumference, and is such that all right lines drawn from a certain point within the figure, to the circumference, are equal to one another....

## Practical Essays on Mill Work and Other Machinery, Volume 1

Robertson Buchanan - Machinery - 1823 - 442 pages
...in one line. 55. A triangle is a figure contained by three straight lines. 56. A circle is a plane figure contained by one line, which is called the...figure to the circumference, are equal to one another, and this point is called the centre of the circle. 57- The radius of a circle, is a straight line drawn...

## The Elements of Euclid: Viz, the First Six Books, Together with the Eleventh ...

Euclid, Robert Simson - Geometry - 1829 - 548 pages
...thing." % . XIV' Jtf figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lihes drawn from a certain point within' the figure to the circumference, are equal to one another...

## Geometry, Plane, Solid, and Spherical, in Six Books: To which is Added, in ...

Pierce Morton - Geometry - 1830 - 584 pages
...portions about the diagonal, they complete the whole parallelogram AB (J D. 24. A circle is a plane / N. figure contained by one / \ line, which is called the circumference, and is each that all straight lines drawn from a certain point within the figure to the circumference are...

## The First Six Books of the Elements of Euclid: With Notes

Euclid - Euclid's Elements - 1833 - 216 pages
...which is bounded on all sides by one or more lines. . Fig. 5. 15. A circle is a plane figure bounded by one line, which is called the circumference, and is such that all right lines, drawn from a certain point within the figure to the circumference, are equal to one another....

## The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1834 - 518 pages
...figure contained by one line, which is called the circumference, and is such, that all straight linos drawn from a certain point within the figure to the...And this point is called the centre of the circle. See last fijj. XVII. A diameter of a circle is a straight line drawn through See N. the centre, and...

## The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclid - 1835 - 540 pages
...contained by one line, which Book I. is called the circumference, and is such that all straight vpr"-' lines drawn from a certain point within the figure...circumference are equal to one another. XVI. And this point is calledihe centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre,...

## Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce ...

Mathematics - 1835 - 684 pages
...portions about the diagonal, they complete the whole parallelogram А В С D. 24. A circle is a plane figure contained by one line, which is called the...circumference, and is such that all straight lines drawn from a cer- " tain point within the figure to the circumference are equal to one another. This point is called...