One problem: if the letters are labelling the dashed lines, then the number is b+ai. Please clarify the labelling. Bellezzasolo (talk) 10:59, 28 October 2013 (UTC)
One problem: if the letters are labelling the dashed lines, then the number is b+ai. Please clarify the labelling. Bellezzasolo (talk) 10:59, 28 October 2013 (UTC)Reply
