document.write( "Question 157301This question is from textbook Saxon Algebra 2
\n" ); document.write( ": A circle has a diameter with endpoints (-8,-1) and (-3,13). Find the center of the cicle. Find the area of the circle. \n" ); document.write( "
Algebra.Com's Answer #115937 by Fombitz(32388)\"\" \"About 
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Find the midpoint of the line connecting the two diameter endpoints.
\n" ); document.write( "That'll be the center of the circle.
\n" ); document.write( "\"x%5Bc%5D=%28-8%2B%28-3%29%29%2F2\"
\n" ); document.write( "\"x%5Bc%5D=-%2811%2F2%29\"
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\n" ); document.write( "\"y%5Bc%5D=%28-1%2B13%29%2F2\"
\n" ); document.write( "\"y%5Bc%5D=6\"
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\n" ); document.write( "The area of a circle is,
\n" ); document.write( "\"A%5Bc%5D=%28pi%2AD%5E2%29%2F4\"
\n" ); document.write( "The diameter of the circle is the distance between the endpoints.
\n" ); document.write( "\"D%5E2=%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2\"
\n" ); document.write( "\"D%5E2=%28-8-%28-3%29%29%5E2%2B%28-1-13%29%5E2\"
\n" ); document.write( "\"D%5E2=%28-5%29%5E2%2B%28-14%29%5E2\"
\n" ); document.write( "\"D%5E2=25%2B196\"
\n" ); document.write( "\"D%5E2=221\"
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\n" ); document.write( "\"A%5Bc%5D=%28pi%2AD%5E2%29%2F4\"
\n" ); document.write( "\"A%5Bc%5D=%28pi%2A221%29%2F4\"
\n" ); document.write( "or approximately,
\n" ); document.write( "\"A%5Bc%5D=173.6\"
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