Percentage 24151

In a square garden with a side length of 12 m, there are two circular flower beds with a diameter of 4 m, and the rest is grass. Determine the area that is overgrown with grass. What percentage of the garden is occupied by flower beds?

Correct answer:

t =  118.8673 m2
k =  17.4533 %

Step-by-step explanation:

a=12 m D=4 m  r=D/2=4/2=2 m  S1=a2=122=144 m2 S2=π r2=3.1416 2212.5664 m2  t=S12 S2=1442 12.5664=118.8673 m2
k=100 S12 S2=100 1442 12.5664=17.4533%

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