 | Samuel Edward Warren - Geometry, Descriptive - 1888 - 328 pages
...that form of a certain species of polygon, in which the number of sides has been made infinite; thus a circle may be considered as a regular polygon of an infinite number of sides. Polygons are similar, when all the sides of one are parallel to the corresponding sides of the other... | |
 | William Miller Barr - Engineering - 1918 - 650 pages
...be the area. Or, taice one-fourth the product of the whole circumference and diameter. NOTE. — A circle may be considered as a regular polygon of an infinite number of sides, the circumference being equal to the perimeter, and the radius to the perpendicular. But the area of a... | |
 | Jared Sparks, Edward Everett, James Russell Lowell, Henry Cabot Lodge - American fiction - 1828 - 620 pages
...Legendre's Geometry. [July, For this purpose, we only require the admission of the following proposition. The circle may be considered as a regular polygon of an infinite number of sides. This may be made intelligible to the mind of any youth, in the following manner. Take a circle and... | |
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A circle may be considered as a regular polygon of an infinite number of sides, the circumference being equal to the perimeter, and the radius to the perpendicular. 
