Question

Let's find the square root of the following decimal numbers : (ii) 2.25 whit explains​

Answer 1

Answer:

first multiply 2.25 by 100

then it will be 225

square root of 225 is 15

then add a decimal point before 5 in 15

that is 1.5

Answer 2

$\sqrt{2.25 } = \sqrt{ \frac{225}{100} } \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\= \sqrt{ \frac{15 {}^{2} }{10 {}^{2} } } \\ \\ = \frac{15}{10} = 1.5$

hope its helpful