For instance, consider that you have to calculate the area of a rectangle that has a length of 3 meters and a width of 4 meters. To calculate the rectangle area, use the formula below. Area of rectangle = length * breadth. Entering the values
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The formula for the area of an octagon of regular shape is 2 · (1 + √2) · side 2, as seen in the figure below: The solution to the equation is straightforward and this is the formula used in our regular octagon area calculator.
area = ½ × e × f × sin (angle) The formula comes from trigonometry as well. Do you want to know where it comes from? Divide the parallelogram into two triangles, and assume
Math can be a tricky subject for many people, but with a little bit of practice, it can be easy to understand.
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