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Total length of a close figure is called:
A. Area
B. Volume
C. Parameter
D. Region

Answer
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Hint: In order to solve this question we will first learn all the definitions of area, volume, parameter and region then and then by option checking we will find the correct option that is fitting to the definition in this question and find the correct option.

Complete step by step solution:
For solving these types of questions we will first learn the definitions of the terms that are given to us in question:

A.First of all there is area:
In geometry, the area can be defined as the space occupied by a flat shape or the surface of an object. The area of a figure is the number of unit squares that cover the surface of a closed figure. Area is measured in square units such as square centimeters, square feet, square inches, etc.

B.Then the second option is volume:
Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. Volume is measured in cubic units, while capacity can be measured in almost every other unit, including liters, gallons, pounds, etc.

C.Third one is Perimeter:
Perimeter is the distance around the edge of a shape. Learn how to find the perimeter by adding up the side lengths of various shapes.

D.And the last is region:
A region is an area. A region is any space that is distinct from another area. The word region is from the Latin regionem which means “direction, boundary, district.”
So the correct option will be perimeter.
So, the correct answer is “Option C”.

Note: While solving these types of problems we should always keep in mind that these are theory based questions we should first learn all options carefully then we will have to decide the correct part. Such as in this question at last it was concluded that the addition of all the outer lengths are called perimeter.
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