58 of68 Delta Wings Training
  Side and overhead view of the British Airways Aerospatiale Concorde
The final wing shape we'll look at, the triangular wing, is used on supersonic planes, or planes that go faster than Mach 1. A triangular wing is often refered to as a delta wing. Delta wings usually have low aspect ratios, but their shape reduces the drag you get when flying over Mach 1. They're usually shaped like right triangles, with the right angle next to the fuselage.
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