Pythagoras’ theorem can be used to calculate the length of the third side of a right angled triangle when given the lengths of the other two sides.
Part of Application of MathsGeometry
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In this video Praxis the robot and Alan the "human man" find out about some of the contributions Pythagoras made to maths.
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Sanjeev Kohli takes us on a trip to the hairdresser's where a stylist, Sharz Din, explains that angles are important in his technical work.