SOLUTION: the circumference of a circle is ab out 3 1/7 times the diameter of the circle. what is the circumeference of a circle who diameter is 42 cm?

Question 316047: the circumference of a circle is ab out 3 1/7 times the diameter of the circle. what is the circumeference of a circle who diameter is 42 cm?
Found 2 solutions by Alan3354, jim_thompson5910:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
the circumference of a circle is ab out 3 1/7 times the diameter of the circle. what is the circumeference of a circle who diameter is 42 cm?
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It's 42 times 3 1/7. Multiply the 2 numbers.

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
First note that . Now just multiply by 42 to get . So the circumference is about 132 cm.
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