Just look around you: Segments, rays and angles are everywhere. A ray of light: What about if you want to deflect it with a mirror? Segments: A pencil, a ruler, a pen are examples of segments: If want to catch something with a pen or ruler how long do you want ti to be? Angles are very much used in daily life. For example, engineers and architects use angles for the design of roads, buildings and sporting facilities. Athletes use angles to enhance their performance in long jump, high jump, Hurdles or Pole Vault. Carpenters use angles to make chairs, tables or sofas. Artists use their knowledge of angles to sketch portraits and paintings.