Calculate the circumference of a circular field whose radius is 10 centimeters. Choose the correct choice from the following answers.
A) 20 π cm
B) 19 π cm
C) 28 π cm
D) 25 π cm
E) 30 π cm
Circumference C is given by   C = 2πr = 2π*10 = 20 π cm   20 π cmnswer: 20 π cm2 *10= 
<gadget id="calculator">2 *10</gadget>
<output>20</output>
20 π cm   20 π cmnswer: 20 π cm
<result>A</result>
Calculate the circumference of a circular field whose radius is 10 centimeters.