document.write( "Question 15707: What is the circumference of a circle with a diameter of 30 centimeters? \n" ); document.write( "
Algebra.Com's Answer #8112 by piglet162431(90)![]() ![]() ![]() You can put this solution on YOUR website! Plug in the formula. \n" ); document.write( "C=2(pi)R \n" ); document.write( "Since R is the radius, and 2 radius = the diameter, and the diameter is 30, the radius is 15. \n" ); document.write( "C=2(pi)15 \n" ); document.write( "C=2(3.14)(15) \n" ); document.write( "C=30(3.14) \n" ); document.write( "C=94.2cm \n" ); document.write( " \n" ); document.write( " |