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because if we did not have planes we would not be eating and getting other things from other places.

Q: Why do you need plane?

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No, they need not.

a plane is any plane surface it usually have 3 or 4 points * * * * * You need only three points provided they are not collinear. And most planes have infinitely many points although there are geometries with only a finite number of points.

An infinite number in a Euclidean plane - which is the "normmal" plane. Some selected numbers in the finite or affine planes (but you need to be studying projective geometry to come across these).

Coordinate plane worksheets are needed for fourth grade and up because fourth grade is when you learn basic graphing and that is when you would need a coordinate plane worksheet.

Related questions

No amount of "experience" will make you a plane.

Your plane ticket and a passport.

The disadvantage of an inclined plane is you need a greater force.

You need to be 18 to get behind the wheel of a plane in flight training

you must know how to navigate,operate and monitor your plane.

You could transport it yes. But not use it. Not sure why you need one on a plane

Well... they need to know how to fly a plane

Plane

A piece of paper

really just a ticket

a passport and a plane ticket

To Find The Plane,You Need To Go Left From The Museum, Past The Fly By Night Building And The Plane Will Be There.