What is the formula of area of polygon?

Area of Polygon Formulas

Name of the Polygon Area Formula
Triangle 1/2 × base × height
Square side2
Rectangle length × width
Pentagon 5/2 × side length × distance from the center of sides to the center of pentagon

How do you calculate the area of a rectangular?

Explanation: To find the area of a rectangle, multiply its width by its height. If we know two sides of the rectangle that are different lengths, then we have both the height and the width.

What’s the formula for area of a rectangle?

A = l x w
In other words, the area of a rectangle is the product of its length and width. That is, A = l x w where l is the length and w is the width of the rectangle. For example, the area of a rectangle of length 35 m and width 25 m is 35 times 25 or 875 square meters.

What is area of the rectangle?

Area of a Rectangle. A = l × b. The area of any rectangle is calculated, once its length and width are known. By multiplying length and breadth, the rectangle’s area will obtain in a square-unit dimension. In the case of a square, the area will become side2.

What is the area of a polygon with 8 sides?

If the shape is a polygon and it has eight sides, we call it an octagon. To find the area of an octagon we use the following formula. Area of octagon formula = 2 × s2 × (1+√2). Where “s” denotes the length of the side of an octagon.

How do you find the total area of a rectangle?

To find the area of a rectangle, we multiply the length of the rectangle by the width of the rectangle.

What shape has 4 sides of different lengths?

A polygon with non-equal sides is called irregular, so the figure that you are describing is an irregular quadrilateral. This figure has side lengths of 1, 2, 3, and 4 respectively, so it is an irregular quadrilateral.