document.write( "Question 286562: triangle CAT has vertices c(4,9) A(8,-9) T(-6,5)
\n" ); document.write( "A. find the cordinates of the midpoints of each side of the triangle.
\n" ); document.write( "B. Find the length of the median from point C to TA.
\n" ); document.write( "C. Find the perimeter of triangle CAT.
\n" ); document.write( "D. Find the perimeter of the triangle formed in part a above.
\n" ); document.write( "E. How do the perimeters in parts c and d compare? \r
\n" ); document.write( "\n" ); document.write( "I did part a and b, but part b is wrong and i dont know the difference btween the question asked in part c from d.
\n" ); document.write( "

Algebra.Com's Answer #207854 by Alan3354(69443)\"\" \"About 
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triangle CAT has vertices c(4,9) A(8,-9) T(-6,5)
\n" ); document.write( "A. find the cordinates of the midpoints of each side of the triangle.
\n" ); document.write( "Find the midpoints by getting the average of x and y separately.
\n" ); document.write( "for CA:
\n" ); document.write( "x = (4+8)/2 = 6
\n" ); document.write( "y = (9-9)/2 = 0
\n" ); document.write( "MP at (6,0)
\n" ); document.write( "-----------
\n" ); document.write( "for AT: MP at (1,-2)
\n" ); document.write( "for CT: MP at (-1,7)
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\n" ); document.write( "B. Find the length of the median from point C to TA.
\n" ); document.write( "distance from C to MP of TA
\n" ); document.write( "\"d+=+sqrt%28diffy%5E2+%2B+diffx%5E2%29\"
\n" ); document.write( "\"d+=+sqrt%283%5E2+%2B+11%5E2%29\"
\n" ); document.write( "\"d+=+4sqrt%2815%29\"
\n" ); document.write( "--------------------
\n" ); document.write( "C. Find the perimeter of triangle CAT.
\n" ); document.write( "P = CA + AT + TC
\n" ); document.write( "\"P+=+2sqrt%2885%29+%2B+14sqrt%282%29+%2B+2sqrt%2829%29\"
\n" ); document.write( "P =~ 49.008
\n" ); document.write( "----------------------------------------------
\n" ); document.write( "D. Find the perimeter of the triangle formed in part a above.
\n" ); document.write( "= \"sqrt%2829%29+%2B+sqrt%2885%29+%2B+sqrt%2898%29\"
\n" ); document.write( "=~ 24.504
\n" ); document.write( "E. How do the perimeters in parts c and d compare?
\n" ); document.write( "The smaller is 1/2 the larger.
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