Answer:
Step-by-step explanation:
well the circumference is
where the 2r means the diameter as radius is half of the diameter of a circle
so we can write this as
where d is diameter
so here
circumference = d(pi) = 30
so, d = 30/pi
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Answers & Comments
Answer:
Step-by-step explanation:
well the circumference is
where the 2r means the diameter as radius is half of the diameter of a circle
so we can write this as
where d is diameter
so here
circumference = d(pi) = 30
so, d = 30/pi