Question 865454
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Hi,
<img src='http://img163.imageshack.us/img163/7928/trianglecw.png' border='0'/></a> 
 P = 142 = sum of the lengths of the three sides
 142m - 55m - 38m = 142m - (55m+38m) = 49m
142m
<u>-93m</u>
 49m