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OpenStudy (anonymous):
What is the approximate circumference of a circle with a radius of 40 inches? Use π ≈ 3.14. A. 125.6 inches B. 251.2 inches C. 502.4 inches D. 5024 inches
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OpenStudy (anonymous):
circumference = 2*pi*r
OpenStudy (calculusxy):
Simply: pi*diameter
OpenStudy (anonymous):
= 2*3.14*40 =6.28*40 = 251.20
OpenStudy (anonymous):
We need to use this formula C= 2* pi *r Here r = 40 plug this value into furmula
OpenStudy (calculusxy):
You just multiply the radius by 2 to get the diameter.
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OpenStudy (anonymous):
ok thank you all
OpenStudy (calculusxy):
You're welcome
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