# SSC Mathematics Note 15th Chapter Area Related Theorems and Constructions

SSC Mathematics Note 15th Chapter Area Related Theorems and Constructions. We know that bounded plane figures may have different shapes. If the region is bounded by four sides, it is known as the quadrilateral. Quadrilaterals have classification and they are also named after their shapes and properties. Apart from these, there are regions bounded by more than four sides. These are polygonal regions or simply polygons. The measurement of a closed region in a plane is known as the area of the region.

## SSC Mathematics Note 15th Chapter Area Related Theorems and Constructions

For measurement of areas usually, the area of a square with sides of 1 unit of length is used as the unit area and their areas are expressed in square units. For example,  the area of Bangladesh is 1.4 lacs square kilometers (approximately). Thus, in our day to day life, we need to know and measure areas of polygons for meeting the necessity of life.  So, it is important for the learners to have a piece of comprehensive knowledge about areas of polygons. Areas of polygons and related theorems and constructions are presented here.

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