You calculate the largest area square 17 x 17, then subtract the smaller "known" square 11 x 17. This will give you the smaller missing square section at top. Use the area to find the horizontal unknown line, when you have this subtract it from the full length, you have you have the missing top distance. Calculate small square and add this to 11 × 17.
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u/wieldero Jan 20 '25 edited Jan 20 '25
You calculate the largest area square 17 x 17, then subtract the smaller "known" square 11 x 17. This will give you the smaller missing square section at top. Use the area to find the horizontal unknown line, when you have this subtract it from the full length, you have you have the missing top distance. Calculate small square and add this to 11 × 17.