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Circle Angles

Author: Barrie Galpin

Labels: Angles, Circle theorems

Seven activities in which students investigate angles in circles using basic geometric constructions.

Circle Area Formula

Author: Nevil Hopley

Område:  Mathematics

Labels: Circle theorems, Area

Supports the conceptual understanding of where the formula A=π*r² comes from.

Optimizing the sheep pen

Author: Barrie Galpin

Labels: Various topics, Circle theorems

Discussion of seven different approaches to an optimization problem