Corresponding sides are a pair of matching sides in two different shapes (size does not matter). In the field of geometry, the concept of corresponding sides plays an important role to prove various triangular theorems.
The Boeing B-17 Flying Fortress is a four-engine heavy bomber aircraft developed in the 1930s for the United States Army Air Corps (USAAC).
The Concept. Starcraft Team Fortress, commonly referred to as STF for short, is a TC (Total Conversion) for Starcraft. Based on the popular Half-Life mod, TFC (Team Fortress Classic), the goal was to merge the unit concepts of TFC with the Real-Time Strategy environment of Starcraft, and create an entirely new style of gameplay.