Geometry Problem

The unknown leg of  the right triangle on the left  is   sqrt (5^2 - 1^2)  = sqrt (24)

So....the ?  side is the hypotenuse of the right triangle on the right and is =

sqrt  [ (sqrt(24)^2 + 5^2 ]   =

sqrt [ 24 + 25 ] =

sqrt (49) =

7  =   ?

Thanks