Solve for the Indicated Variable $A = \frac { 1 } { 2 } b h$

Multiple Choice

Solve for the indicated variable. $A = \frac { 1 } { 2 } b h$ for $b$

A) $b = 2 A h$
B) $b = \frac { 2 A } { h }$
C) $b = \frac { 2 h } { A }$
D) $b = \frac { A } { 2 h }$