Percentage 80164

I was given a square ABCD 4.2 cm. Find the set of all points that have a distance less than or equal to 2 cm from one of its vertices and lie inside this square. Indicate how much of the square this area occupies as a percentage.

Correct answer:

p =  71.2379 %

Step-by-step explanation:

a=4.2 cm r=2 cm  S2=a2=4.22=25441=17.64 cm2  S1=π r2=3.1416 2212.5664 cm2  p=100 S2S1=100 17.6412.5664=71.2379%

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