What is the amount of surface enclosed by a closed plane figure called?

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Area

Perimeter

Volume

None of the above

answer is A.

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Detailed Solution

Concept- Here we understand that a closed plane shape really means a two-dimensional shape, and then define all the terms mentioned in the options. Any floor plan means that the floor plan is a two-dimensional view of the x-y or y-z or x-z plane. The third coordinate, then, is always zero. Example: In the figure above, the rectangle is a closed plane shape (2D shape) with zero z coordinates (only x and y coordinates are present), and the cubes in the other figures are closed 3D shapes.
The area bounded by a closed plane figure is called a region.
Expressed as the number of times a particular unit of measure is included.
Measured in square units.
So, the answer is area.
Hence, the correct answer is option 1.

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