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bemine11:
What is the radius of a circle that has an approximate circumference of 81.64 meters? (Use 3.14 for ). r = m
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AZ:
You need to know the formula for circumference Circumference = 2 * pi * r
bemine11:
i just need help putting the number in the place
AZ:
So they said the circumference is 81.64 and they're telling you to use 3.14 for pi or π so 81.64 = 2 * 3.14 * r can you solve for r?
bemine11:
yea it would be 13
AZ:
That's correct
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