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BARSIC [14]
2 years ago
11

The circumference of a circle is a 12.1mm. Find the length of the radius. Give your answer rounded to 1 DP.​

Mathematics
2 answers:
stiks02 [169]2 years ago
8 0

Answer:

1.9 mm

Step-by-step explanation:

Circumference of circle = 2πr

             2πr = 12.1 mm

     \sf 2* \dfrac{22}{7}*r= 12.1\\\\

                  \sf r = \dfrac{12.1*7}{2*22}\\\\

                     = 1.925

                 \sf \boxed{radius =1.9 \ mm }

                 

       

faltersainse [42]2 years ago
5 0

Answer:

1.9

Step-by-step explanation:

r=C/2π

r-12.1/2π=1.9257...

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