A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...

Finding angles between lines Angles in triangles and quadrilaterals Symmetry and 2D shapes Linear scale factor ...

The simple but brilliant iPad accessory known as Osmo, which takes real-world objects and movements and transforms them into onscreen gameplay, has a new trick up its sleeve. Its new "Masterpiece" app ...

The best tutorials for drawing faces at any angle—step-by-step guides to master proportions, perspective, and expression for confident portrait drawing. Arrest made in the killing of a couple hiking ...