Question

Determine as raízes quadradas exatas a seguir:
a)√25
b)√400
c)√961
d)√49
e)√1225
f)√1089
g)√36
h)√441
i)√4900
j)√144
k)√289
l)√8100

Answer 1

$a)~~ \sqrt{25} \to~~\sqrt{5^2} \to~~\boxed{5} \\\\ b)~~ \sqrt{400} \to~~\sqrt{20^2} \to~~\boxed{20} \\\\ c)~~ \sqrt{961} \to~~ \sqrt{31^2} \to~~\boxed{31}\\\\ d)~~ \sqrt{49} \to~~\sqrt{5^2} \to~~\boxed{5} \\\\ e)~~ \sqrt{1225} \to~~\sqrt{35^2} \to~~\boxed{35} \\\\ f)~~ \sqrt{1089} \to~~ \sqrt{33^2} \to~~\boxed{33}$


$g)~~ \sqrt{36} \to~~\sqrt{6^2} \to~~\boxed{6} \\\\ h)~~ \sqrt{441} \to~~\sqrt{21^2} \to~~\boxed{21} \\\\ i)~~ \sqrt{4900} \to~~ \sqrt{70^2} \to~~\boxed{70}\\\\ j)~~ \sqrt{144} \to~~\sqrt{12^2} \to~~\boxed{12} \\\\ k)~~ \sqrt{289} \to~~\sqrt{17^2} \to~~\boxed{17} \\\\ l)~~ \sqrt{8100} \to~~ \sqrt{90^2} \to~~\boxed{90}$