# Circle-a Sentence Examples

Proposition 30 describes the construction of a curve of double curvature called by Pappus the helix on a sphere; it is described by a point moving uniformly along the arc of a great circle, which itself turns about its diameter uniformly, the point describing a quadrant and the great

**circle a**complete revolution in the same time.The historian's grandfather became within his own

**circle a**highly esteemed interpreter of Scripture, and held fast his profession even in the time of Julian.A conic may also be regarded as the polar reciprocal of a circle for a point; if the point be without the circle the conic is an ellipse, if on the

**circle a**parabola, and if within the**circle a**hyperbola.Within the Arctic

**circle a**large number of Tertiary plants have been collected.If we assign to a column of water at the equator the density S-7-= 1.02 2 at the surface and 1.028 at l000 fathoms, or an average of 1.025, and to a column of water at the polar

**circle a**mean density of i 028, there would result a difference of level equal to (1.028 - 1.025) X moo = 3 fathoms in a distance from the equator to the polar circle of some 4600 m.You can choose black ink or a single color, or make each

**circle a**different shade.