document.write( "Question 147485: Triangle EWS has a perimeter of 26 and SE = 1/2 WE. The midsegment parallel to WS = 4. Find the lengths of the three sides of this triangle. \r
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document.write( "thank you soo much \n" );
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Algebra.Com's Answer #108019 by aswathytony(47)![]() ![]() ![]() You can put this solution on YOUR website! given perimeter of triangle = 26 i.e, sum of length of three sides of triangle is 26. \n" ); document.write( " i.e. WE + WS + SE = 26 ............(1)\r \n" ); document.write( "\n" ); document.write( "given SE = 1/2 WE or WE = 2 SE........(2)\r \n" ); document.write( "\n" ); document.write( " ALSO mid segment parallel to WS is 4 .\r \n" ); document.write( "\n" ); document.write( " we know The segment that joins the midpoints of two sides of a triangle is parallel to the third side and has a length equal to half the length of the third side. \n" ); document.write( " i.e. mid segment length is 4 then side parallel to it ; WS = 2 * 4 = 8....(3) \n" ); document.write( " subsituting (2) & (3) in (1), we get\r \n" ); document.write( "\n" ); document.write( " 2 SE + 8 + SE = 26 \n" ); document.write( " 3 SE + 8 = 26 \n" ); document.write( " 3SE = 26- 8 \n" ); document.write( " = 18 \n" ); document.write( " SE = 18 / 3 = 6\r \n" ); document.write( "\n" ); document.write( " 2SE = WE ( from (2) ) \n" ); document.write( " i.e WE = 2 * 6 = 12 \n" ); document.write( "so length of three sides of the triangle are 6,8,12. \n" ); document.write( " |