The value of √(144 ) + √0.0225 - √9 =

Correct option is B

Given:

Evaluate:

​$$\sqrt{144} + \sqrt{0.0225} - \sqrt{9}$$​​

Solution:

​$$\sqrt{144} + \sqrt{0.0225} - \sqrt{9} \\ \ \\ = 12 + 0.15 - 3 \\ \ \\ = 12.15 - 3 \\ \ \\ = 9.15$$​​