Tolong d jawab, terima kasih...

1)
[tex] \sqrt{169 + 26 {}^{2} } \ \\ =\sqrt{169} + \sqrt{676} \\ = 13 + 26 = 39[/tex]
2)
[tex] \sqrt{625 + 25 {}^{2} } \\ = \sqrt{625} + \sqrt{625} \\ = 25 + 25 = 50[/tex]