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A circular mil is a unit of area, equal to the area of a circle with a diameter of one mil (one thousandth of an inch or 0.0254 mm). It is equal to π /4 square mils or approximately 5.067 × 10 −4 mm 2. It is a unit intended for referring to the area of a wire with a circular cross section.
Amazon shoppers love this antenna, which stands at 8 inches tall and carries a 650-mile radius. It claims its 360 design helps improve its reception. This antenna works in HD and 4K, if you've got ...
1 millionth of a square inch (1 square inch is equal to 1 million square mils) 6.4516 × 10 −10 square metres; about 1.273 circular mils (1 circular mil is equal to about 0.7854 square mils). 1.273 ≈ 4 / π and 0.7854 ≈ π / 4 .
The area of a regular polygon is half its perimeter times the apothem. As the number of sides of the regular polygon increases, the polygon tends to a circle, and the apothem tends to the radius. This suggests that the area of a disk is half the circumference of its bounding circle times the radius. [3]
The cross-sectional area of Jupiter, which is the same as the "circle" of Jupiter seen by an approaching spacecraft, is almost exactly one quarter the surface-area of the overall sphere, which in the case of Jupiter is approximately 1.535 × 10 16 m 2. 10 17 2-600 000 Mm 2: Surface area of the brown dwarf CT Chamaeleontis B. 460,000 Mm 2
Earth radius (denoted as R 🜨 or R E) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).
The inch (symbol: in or ″) is a unit ... This is approximately 1 / 8 inch per mile; 12.7 kilometres is exactly 500,000 standard inches and exactly 499,999 ...
This list ranks the top 150 U.S. cities (incorporated places) by 2024 land area. Total areas including water are also given, but when ranked by total area, a number of coastal cities appear disproportionately larger. San Francisco is an extreme example: water makes up nearly 80% of its total area of 232 square miles (601 km 2).