[tex] \sqrt{80}
[/tex] [tex] \sqrt{16* 5}[/tex] [tex] \sqrt{16} * \sqrt{5} [/tex] [tex]4 \sqrt{5} [/tex] Find the largest square, in this case, 16 and the number that it is multiplied by to get 80 Separate into two squares The square root of 16 is 4, so the answer is a = 4 and b = 5
