document.write( "Question 915957: what's the circumcentre of a scalene triangle with the points A (20,20), B (-12,-4) and C (4,-12)? \n" ); document.write( "

Algebra.Com's Answer #555850 by ewatrrr(24785) $\"\"$ $\"About$

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D = $\"sqrt+%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29%29\"$
\n" ); document.write( "A (20,20),
\n" ); document.write( "B (-12,-4) AB = $\"sqrt%2832%5E2+%2B+24%5E2%29\"$ = 40
\n" ); document.write( "C (4,-12)? BC = $\"sqrt%28-16%5E2+%2B+8%5E2%29+=+sqrt%28320%29\"$ 8√5
\n" ); document.write( "A (20,20), AC = $\"sqrt%28-32%5E2+%2B+-16%5E2%29+=+sqrt%281280%29\"$ = 16 √5
\n" ); document.write( "P = 40 + 24√5 \n" ); document.write( "

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