Re-arrangement of Stress Concentration Calculation

[chrisb009]

Hi i was wondering if anyone could help me by showing me how to re-arrange this equation:
a=2b*(c\d)½ i need to make c the formula. Any help would be greatly appreciated.

Chris

 

[edgepflow]

1. Divide both sides of equation by 2b.
2. Square both sides of equation.
3. Multiply both sides by D.