Answer :
The conversion between degrees Fahrenheit (°F) to degrees Celsius (°C) is:
[tex]C=\frac{5}{9}(F-32)[/tex]Substituting F = 90:
[tex]C=\frac{5}{9}(90-32)[/tex]Operating:
[tex]C=\frac{5}{9}(58)=32.22[/tex]The temperature is equivalent to 32.22°C