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Moving sliders gives simple illustrations of the area formulae for triangle, kite, parallelogram and trapezium.

Vertices can be moved to adjust size and shape; includes obtuse-angled triangle and V-kite.

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Creative Commons "Sharealike"

Review

5

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PixiMaths

7 years ago
5

These Geogebra files are fantastic to either show students, or to get them to play with. Beautifully demonstrates the areas of these shapes. Thank you so much for sharing.

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