Circumference 5493

By what percentage will the area of a square decrease if its circumference decreases by 17 percent?

Correct answer:

p =  31.11 %

Step-by-step explanation:

p1=17 % q=1p1/100=117/100=10083=0.83 a2 = q a1 S1 = a2 S2 = a22 = (aq)2 = a2 q2 = S1 q2 x = S1  S2 = a2  q2 a2 = a2 (1q2) p=100 (1q2)=100 (10.832)=31.11%

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