# Geometry

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**Geometry** is the pure mathematics of points and lines, curves and surfaces.

There are two sides to geometry: measuring distance, area and volume; and the measurement and properties of angles. And then we have trigonometry, which provides the bridge between the two.

There are two important shapes - the triangle and the circle. These are studied a lot since we can understand many other things in terms of these two; for example a rectangle can be broken into two triangles.