To isolate \( h \) in your equation \( 63\pi = 9\pi \cdot h \), you can divide both sides by \( 9\pi \).
Starting with:
\[ 63\pi = 9\pi \cdot h \]
Divide both sides by \( 9\pi \):
\[ \frac{63\pi}{9\pi} = h \]
The \( \pi \) cancels out on both sides:
\[ \frac{63}{9} = h \]
Now, simplifying \( \frac{63}{9} \):
\[ h = 7 \]
So, \( h \) alone is:
\[ h = 7 \]