Monoplane
No.
A Monoplane is a airplane with one main wing. This has been the dominate design for planes since the 1930's.
That is a monoplane. The one in the picture above is a biplane.
What wing design for a paper airplane will soar the farthest
1905 was the first fixed wing airplane
The best wing shape for sn airplane is like a triangle because it fly straight
Yes because an airplane wing has to cut through wind and create loft and lift.
Because if you only have one wing it's not gona be balanced!
The air above an airplane wing in flight is at lower pressure than the air below the wing. Hope this helps.
The ford Trimotor or Fokker F.VII
It's the length of the wing. Depends on make.
As heavy as they need to be, but it depends on the airplane: one C-17 wing weighs more than a whole Cessna.