My mother has 90 cm lace …
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Anu Mahal 8 years, 2 months ago
We have to put lace on the border so we need to go for the perimeter of square handkerchief that is 4*S=4*20 cm = 80 cm
So we'hv used 80 cm out of 90 cm. The remaining is 10 cm.
1Thank You