document.write( "Question 1054961: Hi
\n" );
document.write( "a circle is drawn on a number plane with the centre at (3,2) the circumference passes thru (3,-2)\r
\n" );
document.write( "\n" );
document.write( "What is the area of the circle.\r
\n" );
document.write( "\n" );
document.write( "now I used the distance formula and found the radius to be the square root of -16!
\n" );
document.write( "The textbook solution says the radius is 4 units.\r
\n" );
document.write( "\n" );
document.write( "where did I go wrong?\r
\n" );
document.write( "\n" );
document.write( "Thanks \n" );
document.write( "
Algebra.Com's Answer #670179 by josgarithmetic(39800) ![]() You can put this solution on YOUR website! RADIUS:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Distance from (3,2) to (3,-2). \n" ); document.write( "You can do this one in your head and without the Distance Formula. Literally SEEING that radius is 4 units should be immediate. You stepped wrong in maybe how you applied the distance formula.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "radius, |