aidaaab aidaaab
  • 01-09-2020
  • Mathematics
contestada

using the approximation 3.14 for π what is the radius of a circle with circumference 40.8?

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 01-09-2020

Answer:

6.50

Step-by-step explanation:

C = 2πr

40.8 = 2(3.14)r

40.8 = 6.28r

r = 6.50

Answer Link
ycarmona1
ycarmona1 ycarmona1
  • 01-09-2020

Answer:

it would be 6.49

Step-by-step explanation:

Circumference=2πr but in this case it is 40.8=2(3.14)r

So you would multiply 2 times 3.14 so now you are at 40.8=6.28r

Then you divide 40.8 by 6.28 to isolate the r and it would equal to approximately 6.49 for r or the radius.

Answer Link

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