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Triangle Area and Perimeter

Author:John Ulbright

Topic:Area, Perimeter

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Trammel of Archimedes Art
apec
Rectangle Construction Template (V2)
Regular Polygons and Equivalent Triangles
Limaçons

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Points and Proportions (Level 1)
Playing with Colours
Decimal Number Visualiser - Tenths
Two Triangles and Two Congruent Sides

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Cuboid
Percentages
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LCM and GCD

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