Question

What is the square root of 2 ¼ ?

Answer 1

$2\frac{1}{4} \: is \: nothing \: but \: 2.25 \: in \: decimal.$

$2.25 \: can \: be \: written \: as \: \frac{225}{100}$

$Root \: of( \frac{225}{100} )=root \: of \: (225)/rootof(100)$

$= \frac{15}{10}$

$= 1.5$