Questions on Geometry: Circles and their properties answered by real tutors!

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Question 149615: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14




Thanks,
Amanda: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14




Thanks,
Amanda
Answer by stanbon(19020) About Me  (Show Source):
You can put this solution on YOUR website!
What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14
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Circumference = 2(pi)r
C = 2(3.14)4.1 = 25.748
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Cheers,
Stan H.
Question 149615: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14




Thanks,
Amanda: What is the circumference of a circle with a radius of 4.1 m? Round to the nearest tenth.Use pi=3.14




Thanks,
Amanda
Answer by jim_thompson5910(9401) About Me  (Show Source):
You can put this solution on YOUR website!

C=2*pi*r Start with the circumference of a circle formula


C=2*pi*4.1 Plug in r=4.1


C=25.76106 Multiply 2, pi and 4.1 (you can use 3.14 for pi) to get 25.76106



So the circumference of a circle with a radius of 4.1 meters is 25.8 meters (rounded to the nearest tenth)