Diameter 6289

A circle with the largest possible diameter is cut from a square with a side length of 35 cm. What percent of the square area is waste?

Correct answer:

p =  21.4602 %

Step-by-step explanation:

a=35 cm D=a=35 cm r=D/2=35/2=235=17.5 cm  S1=a2=352=1225 cm2 S2=π r2=3.1416 17.52962.1128 cm2  p=100 S1S1S2=100 12251225962.1128=21.4602%

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