document.write( "Question 452433: A circle has a radius of 5 cm ..what is the length of an arc measuring 80 degrees \n" ); document.write( "
Algebra.Com's Answer #311044 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! A circle has a radius of 5 cm ..what is the length of an arc measuring 80 degrees \n" ); document.write( ". \n" ); document.write( "circumference of a circle = d(pi) \n" ); document.write( "circumference of a circle = 2r(pi) \n" ); document.write( "circumference of a circle = 2(5)(3.14) \n" ); document.write( "circumference of a circle = 31.4 cm \n" ); document.write( ". \n" ); document.write( "Since there is 360 deg in a circle: \n" ); document.write( "length of the arc must be: \n" ); document.write( "80/360 * 31.4 = 6.98 cm\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |