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A specific time frame cannot be established as it is unknown when research began into creating objects that could fly.
The first plane was invented by the Wright Brothers on December 17, 1903. Although there is dispute that these people invented the firstb plane.
Research first began into this sort of stuff in 1889. a German engineer named Otto Lilienthal, inspired by the flight habits of storks, published "Bird Flight as the Basis of Aviation." Two years later he built his first simple glider.
So it depends on what you define as a plane i guess.
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When did they invent the Coordinate plane?
It was the 1600s.
What can you not take on an air plane?
weapons,paint,well you can take a phone on the plane but you have to turn it off.
Delta Air Lines what you can not take on plane?
An explosive device.
What Can you Not Take On The Plane With you?
A bomb Mercury Anything a particular airline says you can't take Illegal goods Drugs Guns
Can you construct three lines that are perpendicular to each other?
No, you cannot, if you are trying to do them on the same 2-D plane. If the plane is 3-D, and you are talking about more than one plane, then yes it is possible. (A "3-D" plane ? ? ? Well, OK.) If you get a chance, take a quick look at the corner of your room, where two walls and the floor all come together.
