Magnification of the square

If we increase the square side, increase the content of the 70 %. About what percentage was increased his sides?

Correct answer:

q =  30.384 %

Step-by-step explanation:

(a (1+q/100))2=a2+a2 70/100 (1+q/100)2=1+70/100  q=100 (1+70/1001)=30.384%



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