To convert a temperature from Fahrenheit to Celsius, you can use the following formula:
\[ \begin{equation^*} \text{Celsius} = \frac{5}{9} \times (\text{Fahrenheit} - 32) \, . \end{equation^*} \]
Plugging in the given value of $212^\circ \text{F}$, we get:
\[ \begin{align*} \text{Celsius} &= \frac{5}{9} \times (212^\circ \text{F} - 32) \\ &= \frac{5}{9} \times 180 \\ &= 100 \, . \end{align*} \]
So, $212^\circ \text{Fahrenheit} is equal to \boxed{100^\circ \text{Celsius}}$. This is a simple and common conversion, especially when discussing water’s boiling point, which is often given in Fahrenheit.
