use the pythagorean theorem to find b when a=14 and c=y
(triangle)
b=
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.
(triangle)
b=
14^2 + b^2 = y^2
Subtract 14^2 from both sides, then take the square root of both sides.