Question

250^{2} =(125)^{2} +b^{2}

Answer 1

250^2=125^2+b^2

b^2=250^2-125^2


b^2=(250+125)(250-125)


b^2=375×125


b=√375×125


b=√(5×5×5×3)×(5×5×5)

b=5×5×5√3

b=125√3

so value of b is around 216.5063...


hope it's helpful to you.......