answer: 14.8 ft
you take 32.5 and divide it in half to get 16.25. then take 2.9 and divide it by 2 to get 1.45. Now add that to one length and minus from the other. so 16.25-1.45 to get the short length to be 14.8. the longer length would be 16.25+1.45 = 17.7