Angles in polygons Learn how to use a formula to find out the internal angles within a polygon. Translating and reflecting shapes Learn how to translate and reflect shapes using mirror lines and ...

What makes a shape symmetrical? Find out what makes a shape symmetrical. Positions, directions and turns. Learn some words you can use to describe the position and movement of an object.

Carnegie Mellon University researchers have developed a technology that detects three dimensional shapes and movements of ...

From ancient myth to modern movements, in moments beyond language ... In his essay “How to Make a March/Spectacle,” he proposed using visual elements — flowers, flags and music — to ...