Answer
$80^{\circ}~C$
Work Step by Step
$C = \frac{5}{9}(F-32)$
We can use this formula to convert from Fahrenheit to Celsius. It is given in the question that $F = 176$ since the temperature on the Fahrenheit scale is $176^{\circ}~F$.
$C = \frac{5}{9}(F-32)$
$C = \frac{5}{9}(176-32)$
$C = \frac{5}{9}(144)$
$C = 80$
The temperature on the Celsius scale is $80^{\circ}~C$