Question

the value of
$\sqrt{ \sqrt{2.25 + 6.25} }$
​

Answer 1

$\huge{\tt\red{ANSWER}}\\\\\tt {\sqrt{\sqrt{2.25\:+\:6.25}}}\\\\\tt {\sqrt{\sqrt{8.5}}}\\\\\tt {\sqrt{\sqrt{8.5}}}\:=\: 1.707476485174144\\\\\tt{\sqrt{\sqrt{2.25\:+6.25}}}\:\approx\:1.8$