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I think I need Math help???
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07-10-2010, 12:27 PM
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mlaceruby
Senior Member
Join Date: Jun 2010
Location: Somerset PA
Posts: 719
I think it would be 12 7/8 square cut on the diagonal
a squared + b squared = c squared
if c is 17.5
then a and b would be 12 3/8
plus 1/2" seam allowance on each end
= 12 7/8
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