Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 143
y. Concentric. 331. From § 330, Cor. II may be stated as follows: If two circles are tangent to each others their common point lieson their line of centers. 332. Cor. HI. If two chicles are tangent to each otlier,they have a common tangent line at their point of contact. Hint. Apply § 314. 333.…
Geometry, Plane · Geometry, Solid
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