dambriemiller13 dambriemiller13

19-01-2019
Mathematics

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What is a reasonable estimate for the circumference of a circle with a radius of 12 inches? A. C≈36in. B. C≈72in. C. C≈144in. D. C≈432in.

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wegnerkolmp2741o wegnerkolmp2741o

19-01-2019

Answer:

B. C≈72in

Step-by-step explanation:

Circumference = pi * d

Where d is the diameter

d = 2*radius

d =2 *12

d =24

C = pi*24

Let pi be approximated by 3.

C ≈ 3.*24

C ≈ 72

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