# 2d

24 Articles

## Area of plane Figures

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## Area of Polygons

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## Circle Perimeter

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## Conic Sections

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## Curved Lines

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## Curves in Polar Coordinates

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## Decomposing figures to find area

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## Intercept Theorem

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## Lines, Intervals and Rays

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## Lines, Line Segments, and Rays

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## Measuring Time

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## Number Pi - π

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## Parametric Equations

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## Perimeter of Rectangle

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## Perimeter

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## Points, lines and angles

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## Polar Coordinates

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## Positions of Points, Lines, and Circles

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## Pythagorean Theorem

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## Right Triangle

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## Similar Triangles

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## Translations, Rotations and Symmetries

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## Triangles, Rectangles

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## Types of Triangles

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