Table of Contents
What is the formula for area of a irregular polygon?
Area of a polygon using the formula: A = (L2 n)/[4 tan (180/n)] n = Number of sides of the given polygon.
How do you measure irregular polygons?
The interior angles in an irregular polygon are not equal to each other. Therefore, to find the sum of the interior angles of an irregular polygon, we use the formula the same formula as used for regular polygons. The formula is: Sum of interior angles = (n − 2) × 180° where ‘n’ = the number of sides of a polygon.
How do you find the area of a 4 sided irregular polygon?
The area of any irregular quadrilateral can be calculated by dividing it into triangles. Example: Find the area of a quadrilateral ABCD whose sides are 9 m, 40 m, 28 m and 15 m respectively and the angle between the first two sides is a right angle. The area of the quadrilateral ABCD =(180+126)=306 square meters.
How do you calculate the area of a 4 sided?
Use the following equation:
- Area = side × side or A = s.
- Example: If one side of a square has a length of 4 feet, (t = 4), then the area of this square is simply t2, or 4 x 4 = 16 square feet.
How do you find the area of a irregular pentagon with side lengths?
The formula that is used to find the area of a pentagon using the apothem and side length is, Area = 5/2 × s × a. Here, “s” is the side length and “a” is the apothem of the pentagon.
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. As an example, let’s use a hexagon (6 sides) with a side (s) length of 10.
How do you calculate area of irregular quadrilateral?
The area of any irregular quadrilateral can be calculated by dividing it into triangles. Example: Find the area of a quadrilateral whose sides are m, m, m and m respectively and the angle between the first two sides is a right angle. Solution: From the figure we notice that is a right-angled triangle , in which m, m.
What is the formula for an irregular polygon?
The formula for finding the sum of the interior angles of a polygon is the same, whether the polygon is regular or irregular. So you would use the formula (n-2) x 180, where n is the number of sides in the polygon.
How do you calculate the area of an irregular figure?
The simplest way to calculate the area of an irregular shape is to subdivide it into familiar shapes, calculate the area of the familiar shapes, then total those area calculations to get the area of the irregular shape they make up. Assemble Your Tools. Collect the area formulas for shapes you’re already familiar with.