document.write( "Question 182741: 7. Find the area of a circle with a circumference of 31.4 units. \n" ); document.write( "
Algebra.Com's Answer #137213 by checkley77(12844) ![]() You can put this solution on YOUR website! Circumferance=2pir \n" ); document.write( "31.4=2*3.14*r \n" ); document.write( "31.4=6.28r \n" ); document.write( "r=31.4/6.28 \n" ); document.write( "r=5 units is the radius. \n" ); document.write( "area=pir^2 \n" ); document.write( "area=3.14^5^2 \n" ); document.write( "area=3.14*25 \n" ); document.write( "area=78.5 units for the area. \n" ); document.write( " |