Er...actually I'd have made the same guess...thinking 7x7 is 49..so 70x70 is probably 4900. 9x9 is 81, so maybe .9 x.9 = ...ah..no that doesn't work does it? Ok, someone will have to tell me cos I can't find a calculator. (p.s. I did get A level maths but I confess I have absolutely no real comprehension of the subject)
Er...actually I'd have made the same guess...thinking 7x7 is 49..so 70x70 is probably 4900. 9x9 is 81, so maybe .9 x.9 = ...ah..no that doesn't work does it? Ok, someone will have to tell me cos I can't find a calculator. (p.s. I did get A level maths but I confess I have absolutely no real comprehension of the subject)
ReplyDeleteI'm another A level maths person, it was so good I took it twice LOL.
ReplyDeleteI found a calculator in the kitchen and the answer is.......70.6 or 70.5761 etc