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Question: Find the square root of 81.


A ) 10
B ) 8
C ) 11
D ) 9

Steps to derive

1 81
 [Represent the square root using the radical symbol.]

2 = (9)2
 [As 81 can be written as 92.]

3 = 9

4 So, the square root of 81 is 9.



Hence the right answer is Option D

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