Repeat Problem 3-87 for a square 10 cm on a side. Compare the heat transfers on a

Question:

Repeat Problem 3-87 for a square 10 cm on a side. Compare the heat transfers on a per unit area basis.
Problem 3-87
A thin disk 10 cm in diameter is maintained at 75ºC and placed on the surface of a large medium at 15ºC with k = 3 W/m· ºC. Calculate the heat conducted into the medium.