How to find the area of a polygon formula?
Understand the Problem
The question is asking for the formula to calculate the area of a polygon, which typically involves understanding the specific type of polygon and the method of calculation required for it, such as using the coordinates of its vertices or specific formulas for regular polygons.
Answer
area = (1/2) x perimeter x apothem
The area of a regular polygon is found using the formula: area = (1/2) x perimeter x apothem.
Answer for screen readers
The area of a regular polygon is found using the formula: area = (1/2) x perimeter x apothem.
More Information
This formula works specifically for regular polygons. For irregular polygons, methods like triangulation or coordinate geometry may be used.
Tips
Common mistakes include confusing the apothem with the radius or using incorrect side lengths to calculate the perimeter. Always ensure the correct measurements are used.
Sources
- How to Calculate the Area of Polygons - YouTube - youtube.com
- Formula, Area of Regular Polygons Examples - Cuemath - cuemath.com
- How do you calculate the areas of a polygon? - Quora - quora.com
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