if the area of a circle is 98.56 cm square, then its circumference is what?
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Formula for finding circumference = r^2
area which is 98.56cm square - 3.14 * r^2
98.56 cm square - 3.14r^2
98.56/3.14 = 3.14 rounded of to one decimal place
3.14=r^2
r =3.14 root
r = 5.6 into one decimal place
Answer- 5.6
area which is 98.56cm square - 3.14 * r^2
98.56 cm square - 3.14r^2
98.56/3.14 = 3.14 rounded of to one decimal place
3.14=r^2
r =3.14 root
r = 5.6 into one decimal place
Answer- 5.6
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