# The Magic of the Rotational Surface Area Formula

## A formula that seems to be taught less and less in school today

4 min readMar 16

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The formula above gives you the surface area of the shape that is formed from rotating a curve *y = f(x)* around the *x*-axis (excluding the surfaces at each end of that shape, if any). It used to be very commonly taught in high school curricula back in the day, but I find it…