Definitions

from The Century Dictionary.

  • noun In mathematics, a circumscribed circle.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mathematics A circle that passes through every vertex of a given triangle (or other polygon where possible)

Etymologies

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Examples

  • ←→ ←→ In Figure 5.24, point P is on the circumcircle of ABC.

    Recently Uploaded Slideshows sahmozac 2010

  • Begin by considering the circumcircle of ABC (see Figure 6.5).

    Recently Uploaded Slideshows sahmozac 2010

  • For example, the perpendiculars drawn to the three sides of a triangle from any point on its circumcircle intersect the sides in three collinear points (Simson's invariant).

    Recently Uploaded Slideshows sahmozac 2010

  • Simson's Theorem The feet of the perpendiculars drawn from any point on the circumcircle of a triangle to the sides of the triangle are collinear.

    Recently Uploaded Slideshows sahmozac 2010

  • As an example consider what the circumcircle of a triangle that has all 3 of its points being collinear would look like, how would you write the routine to be robust, when would you need to have a robust routine like that?

    The Code Project Latest Articles Arash Partow 2009

  • AD, BE&CF are cevians (not necessarily congruent) in triangleABCintersecting the circumcircle at P, Q, R (details)?

    Yahoo! Answers: Latest Questions 2009

  • AD, BE&CF are cevians (not necessarily congruent) in triangleABCintersecting the circumcircle at P, Q, R (details)?

    Yahoo! Answers: Latest Questions 2009

  • AD, BE&CF are cevians (not necessarily congruent) in triangleABCintersecting the circumcircle at P, Q, R (details)?

    Yahoo! Answers: Latest Questions 2009

  • AD, BE&CF are cevians (not necessarily congruent) in triangleABCintersecting the circumcircle at P, Q, R (details)?

    Yahoo! Answers: Latest Questions 2009

Comments

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  • I think it's round.

    November 28, 2008

  • Close to round: circa circumcircle

    November 29, 2008