[tex]a= \frac{1}{2} bh[/tex]
Divide by a half: [tex]2a=bh[/tex]
Divide by 'b': [tex] \frac{2a}{b} = h[/tex]
*The reason the two appeared is because when you divide by a fraction, that is the same as multiplying by its inverse. Dividing by 1/2 is like multiplying by 2.
