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 Sujet: radii
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 Radii and Chords Create a Non-Right Triangle 2008-08-22 Beary pose la question :AOC is a diameter of circle O. Line AB is 12, and lines OA and OC (the radii) are 10. Find the length of line BO and chord BC.Janice Cotcher lui répond. Area of triangle formed by three tangent circles 2008-07-31 brian pose la question :Three circles with radii 3,4 and 5 touch each other. The circles are tangent to each other. What is the area of the triangle formed by the centers of the circles?Stephen La Rocque lui répond. Arc lengths, central angles and radii 2007-10-04 Ashutosh pose la question :Jose can remember that the length of an arc is 440cm, but he cannot remember the radius of the arc or the angle at the center. He does know that the angle was a whole number of degrees and the radius was less than 100cm. Find three possible angles and write down the size of each of the possible radii.Stephen La Rocque lui répond. Three circles inside a larger circle 2006-04-16 Meghan pose la question :Given three congruent circles tangent to one another (radii = 1), what is the radius of a circle circumscribed around them? Stephen La Rocque lui répond. Diameter of a pipe 2002-02-16 Landry pose la question :I am trying to calculate the dia. of a pipe 60 inches long that will hold a gallon of water. What is the formula?Penny Nom lui répond.

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