Answer
$100^oC$
Work Step by Step
Substitute the given temperature value to $F$ in the given formula to obtain:
$\require{cancel}
C = \frac{5}{9}(212-32)
\\C=\frac{5}{9}(180)
\\C=\frac{5}{\cancel{9}}(\cancel{180}20)
\\C=100$
Thus, $212^oF = 100^oC$
