Question

circumference of a circle is 21.7 find the diameter of a circle using pi=3.14​

Answer 1

Answer:

d≈6.91

Step-by-step explanation:

diameter is 6.91

Answer 2

Answer:

circumference = 2 pie r

21.7 = 2 x 3.14 x r

21.7/(2x3.14) = r

3.45 = r

diameter = 2r

diameter = 2x3.45

diameter = 6.9

Step-by-step explanation:

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