Math Help - electric potential diference between charges

heres the problem: http://img521.imageshack.us/img521/2551/12058972zh1.png

must i use trig to find the sides and distance between the charges?

Originally Posted by rcmango

heres the problem: http://img521.imageshack.us/img521/2551/12058972zh1.png

must i use trig to find the sides and distance between the charges?

What charges? And the distances are already labeled on the diagram. You aren't making sense here.

-Dan