### Some articles on *circles, circle, concentric*:

Steiner Chain - Annular Case and Feasibility Criterion

... type of Steiner chain is a closed chain of n

... type of Steiner chain is a closed chain of n

**circles**of equal size surrounding an inscribed**circle**of radius r the chain of**circles**is itself surrounded by a circumscribed**circle**of radius R ... The inscribed and circumscribed given**circles**are**concentric**, and the Steiner-chain**circles**lie in the annulus between them ... the angle 2θ between the centers of the Steiner-chain**circles**is 360°/n ...Steiner Chain - Properties Under Inversion

... properties of Steiner chains In an annular Steiner chain, the angle subtended by a single

... properties of Steiner chains In an annular Steiner chain, the angle subtended by a single

**circle**is 2θ (gold lines), which is also the angle subtended by adjacent points of ... The gold**circles**intersect the two given**circles**at right angles, i.e ... orthogonally The**circles**passing through the mutual tangent points of the Steiner-chain**circles**are orthogonal to the two given**circles**and intersect one another at multiples of the angle 2θ The**circles**passing ...### Famous quotes containing the word circles:

“By the power elite, we refer to those political, economic, and military *circles* which as an intricate set of overlapping cliques share decisions having at least national consequences. In so far as national events are decided, the power elite are those who decide them.”

—C. Wright Mills (1916–1962)

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