The side of square is 10cm In right angled △ABD AB2+AD2=BD2 [according to Pythagoras theorem] (10)2+(10)2=BD2$ 100+100=BD2 BD2=200 BD=10√2cm ∴ Diagonal of square =10√2cm.
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Q1
Find the diagonal of a square whose side is 10cm
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Q2
Find the side and perimeter of a square whose diagonal is 10 cm.