Circumference 29361

What is the circumference and area of the circle if r = 18cm

Correct answer:

o =  113.0973 cm
S =  1017.876 cm2

Step-by-step explanation:

r=18 cm  o=2π r=2 3.1416 18=113.0973 cm
S=π r2=3.1416 182=1017.876 cm2



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