document.write( "Question 1081747: the measure of the arc of a sector is 72 degrees and the area of the sector is 5 pi inches squared what is the radius? \n" ); document.write( "
Algebra.Com's Answer #695771 by Boreal(15235) You can put this solution on YOUR website! area is pi*r^2 \n" ); document.write( "72 degrees is 1/5th of the circle's area, so the entire area of the circle is 25 pi in ^2. \n" ); document.write( "That would make the radius 5 inches ANSWER \n" ); document.write( "the area of the entire circle is 25 pi in^2 \n" ); document.write( "the area of a sector, 1/5th the area, would have an arc of 72 degrees and an area of 5 pi in ^2. \n" ); document.write( " \n" ); document.write( " |