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Roliga timmen - Utmaning - Siffran 15
Siffrorna i varje rad, kolumn och diagonal ska bli 15
Publisher: Texas Instruments Sverige | Education Technology
Tags: Circumference, Perimeter
Diameters of Polygons
Investigate the ratio of perimeter to diameter for regular polygons.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Tags: 2D shapes, Perimeter, Polygons
The sheep-pen problem
Recognise a quadratic in a realistic context and solve an optimisation problem
Author: Allan Duncan
Tags: Quadratic, Perimeter, Area, Algebra
Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape
Tags: Perimeter, Area, Circles, Geometry