How do you find the area of a multi sided polygon?
To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon’s center to the midpoint of any side that is perpendicular to that side.
What unit is shape area in ArcGIS?
square units
Area and not Shape_Area, since Shape. Area is built in to geodatabase layers) will give area in square units of whatever linear distance unit the feature class uses. So if your data is in meters, the Shape. Area field will show square meters.
How do you calculate the area of a regular polygon?
Know the correct formula. The area of any regular polygon is given by the formula: Area = (a x p)/2, where a is the length of the apothem and p is the perimeter of the polygon. Plug the values of a and p in the formula and get the area.
How do you calculate a polygon?
For a regular polygon, it can be calculated by multiplying the length of one side by the number of sides (n). Determine the apothem. The apothem of a regular polygon is the shortest distance from the center point to one of the sides, creating a right angle. This is a little trickier to calculate than the perimeter.
What is the formula for a regular polygon?
Again, the formula for a regular polygon is 1/2 times the apothem multiplied by the perimeter. The perimeter is just the length of one side multiplied the by the number of sides ( n ); for a regular polygon, n also represents the number of triangles that make up the figure.
What is the area of this polygon?
The area of a polygon is the total space enclosed within the shape. The measurement is done in square units. As we know, a polygon can be regular or irregular. Regular polygons have a definite dimension to their sides, and thus their areas are easy to calculate compared to irregular polygons where the sides have no fixed dimension.