document.write( "Question 1150673: Which one of these circles has the smallest area?\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "(The only way to find out is to find the area of each of these answer choices, and then select the SMALLEST area, by using these formulas:)\r
\n" ); document.write( "\n" ); document.write( "(x + h)² + (y + k)² = r²\r
\n" ); document.write( "\n" ); document.write( "Center = (h, k)
\n" ); document.write( "Radius = √(r²) or r
\n" ); document.write( "

Algebra.Com's Answer #772092 by ikleyn(52866)\"\" \"About 
You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The hint in your post is absolutely ineffective.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The most reasonable and effective way is to quickly select the case, where the radius of the circle\r
\n" ); document.write( "\n" ); document.write( "(or, equivalently, the square of the radius, which is the right side of the equation) is smallest.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "You do not need to use a computer or a calculator for it, as the other person suggests.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It is enough to look on equations and turn on your brain (which is inside your head).\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );