tolong dijawab nomor 7

a.29 jawabannya karena 225=15
196=14 jadi 15+14 =29

[tex] \sqrt{225} = \sqrt{15 . 15} = \sqrt{15} ² = 15[/tex]

[tex] \sqrt{196} = \sqrt{14 . 14} = \sqrt{14} ² = 14[/tex]

15 + 14 = 29(A)