Answer:
[tex]H=\frac{4s}{n}-b[/tex]
Step-by-step explanation:
[tex]s=\frac{n}{4}(b+H)[/tex]
[tex]4s=n(b+H)[/tex]
[tex]\frac{4s}{n}=b+H[/tex]
[tex]\frac{4s}{n}-b=H[/tex]
