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Areas of quadrilaterals and polygons

The areas of quadrilaterals, n sided shapes and regular polygons are found using the trig area formula.

David J C Elgin

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Schlagwörter Area, Trigonometry

A classroom based activity where students gain experience with the area trig formula. Areas of special quadrilaterals, n sided shapes and regular polygons are to be found using the formula. Answers can be checked using the slider once students have done their calculations. Different problems can be made by moving any of the white circles in the diagrams.