Question

If the area of a square is 49x4y2 then, its side is ________.

Answer 1

Answer:

Step-by-step explanation:

R.E.F image

Square with side 'a'

Area =a  

2

 

(A) if side is doubled  

A' = (2a)(2a)

=4a  

2

 

(B) if side is halved  

A" = (a/2)(a/2)

=  

4

a  

2

 

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