Vier-Kreise-Satz von René Descartes – weitere Beispiele

Der Beitrag behandelt den sogenannten Vier-Kreise-Satz von Descartes unter Nutzung des TI-Nspire™ CX II-T CAS.

Publisher: T³ Deutschland

Author: Hubert Langlotz, Wilfried Zappe

Topic:  Mathematics

Tags: Algebra, Circles, Notes, CAS, MMS

Insektsvandring

Ma 4 och 5 | Diskret matematik | I denna aktivitet finns två problem om insekter som vandrar i koordinatplanet längs räta linjer och längs periferin på en cirkel.

Author: Texas Instruments Sverige | Education Technology

Topic:  Mathematics

Tags: Circles, Computer Algebra, Curriculum, Derivative, Geometry

The arbelos

Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Allan Duncan

Topic:  Mathematics

Tags: Perimeter, Area, Circles, Geometry

Dimensions of a Circle

Derive the formulae for the circumference and area of a circle using multiple representations.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Allan Duncan

Topic:  Mathematics

Tags: Circumference, Area, Circles, Geometry

Centres of a Triangle

Construct some of the centres of a triangle and investigate relationships between them, discovering the Euler Line

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Topic:  Mathematics

Tags: Circles, Zeros, Geometry

How many squares?

Encourages a systematic approach when searching for solutions. (Works well with TI-Nspire Navigator)

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Andy Kemp

Topic:  Mathematics

Tags: Circles, Mathematical thinking