Which of the following is not a characteristic of a plane?
it cannot be seen
it is imaginary
its width can be measured
it is infinite
none of the above

Answer : Its width can be measured

Explanation:

The width of a plane can be measured is not a characteristic of plane.

The properties of a plane include:

Option (3)

Explanation:

A plane generally refers to a two-dimensional line that helps in identifying a particular feature. It has no definite length. These are simply imaginary lines.

It does not have any specific length, breadth or height, so the width of a plane is impossible to measure.

These planes can be numerous in number and they can be oriented in a horizontal or vertical manner. Sometimes they are inclined too. But they can also be parallel to one another or it can be intersecting at one common point.

Thus, the correct answer is option (3).

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: