Question

Find the value of
$\sqrt{54 - \sqrt{21 + \sqrt{18 - \sqrt{4} } } }$
​

Answer 1

Answer:

7

Step-by-step explanation:

square root of 4 is 2

18-2=16

square root if 16 is 4

21+4=25

square root if 25 is 5

54-5=49

square root of 49 is 7

Final answer is 7.

Hope it helped you ;)