More Examples of Calculating Area. The formula for finding the area of a rectangle is. Learn more about Area or try the Area Calculator.
You can use a ruler measuring tape or come up with your own example.
Area 400m 2 140m 2. Math Finding the area. The equation for calculating the area of an ellipse is similar to that for calculating the area of a circle with the only difference being the use of two radii rather than one since the foci are in the same location for a circle. We measure area using squares.