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One radian is defined as the angle at the center of a circle in a plane that subtends an arc whose length equals the radius of the circle. [6] More generally, the magnitude in radians of a subtended angle is equal to the ratio of the arc length to the radius of the circle; that is, =, where θ is the magnitude in radians of the subtended angle, s is arc length, and r is radius.
The radian is determined by the circumference of a circle that is equal in length to the radius of the circle (n = 2 π = 6.283...). It is the angle subtended by an arc of a circle that has the same length as the circle's radius. The symbol for radian is rad. One turn is 2 π radians, and one radian is 180° / π , or
It clearly and simply describes the definition of a radian and its relation to the circle in an easy to understand manner, and has been the lead image in the Radian article for over two months. I feel that it meets the FPC criteria. Articles in which this image appears Radian FP category for this image Wikipedia:Featured pictures/Sciences ...
Radian Reports First Quarter 2013 Financial Results - Writes $10.9 billion of new MI business in the first quarter - - Improves risk-to-capital ratio to 18.6:1; More than $800 million of currently ...
Radian to Webcast Third Quarter Conference Call on October 30, 2012 PHILADELPHIA--(BUSINESS WIRE)-- Radian Group Inc. today announced that it will hold a conference call on Tuesday, October 30 ...
Radian Reports Fourth Quarter and Full Year 2012 Financial Results - Writes $37.1 billion of new MI business in 2012, compared to $15.5 billion in 2011 - - Risk-to-capital ratio of 20.8:1; Expects ...
Radian One is designed to carry up to five crew members to low Earth orbit, with as much as 5,000 pounds of payload going up and 10,000 pounds going down. The delta-winged plane will be launched from a rocket-powered sled. Radian claims it will be able to land on any 10,000 ft (3,000 m) runway and fly again in 48 hours. [6]
Radian Reports Third Quarter 2012 Financial Results - Writes $10.6 billion of new MI business in the third quarter alone, compared to $9.0 billion written in the first nine months last year ...