Posted by student on Sunday, February 17, 2013 at 8:39pm.
use the pythagorean theorem to find b when a=14 and c=y
(triangle)
b=

ALGEBRA  PsyDAG, Monday, February 18, 2013 at 11:41am
I assume that c is the hypotenuse.
14^2 + b^2 = y^2
Subtract 14^2 from both sides, then take the square root of both sides.