Roliga timmen - Utmaning - Siffran 15

Siffrorna i varje rad, kolumn och diagonal ska bli 15

Verlag: Texas Instruments Sverige

Fach:  Mathematics

Schlagwörter: Circumference, Perimeter

Diameters of Polygons

Investigate the ratio of perimeter to diameter for regular polygons.

Autor: Barrie Galpin

Schlagwörter: 2D shapes, Perimeter

The sheep-pen problem

Recognise a quadratic in a realistic context and solve an optimisation problem

Autor: Barrie Galpin

Schlagwörter: Quadratic, Perimeter, Area, Algebra

The arbelos

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

Autor: Barrie Galpin

Schlagwörter: Perimeter, Area, Circles