document.write( "Question 1151325: If ∆ ABC ~ ∆ PQR, AB = 6.5cm, PQ= 10.4cm and the perimeter of ∆ ABC = 60 cm.
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document.write( "Find the perimeter of ∆ PQR.\r
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Algebra.Com's Answer #773042 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The ratio of lengths of corresponding sides of the two similar triangles is 6.5:10.4 = 5:8. \n" ); document.write( "That is then the ratio of ANY linear measurements between the two triangles, including the perimeters. So \n" ); document.write( "5:8 = 40:x \n" ); document.write( "5x = 320 \n" ); document.write( "x = 64 \n" ); document.write( "The perimeter of triangle PQR is 64cm. \n" ); document.write( " \n" ); document.write( " |