SOLUTION: if ABCD IS A SQUARE AND DB THE DIAGONAL OF THE SQUARE BD=6RADICAL 2 CM FIND THE LENGTH OF SIDE OF THE SQUARE ?

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Question 868201: if ABCD IS A SQUARE AND DB THE DIAGONAL OF THE SQUARE BD=6RADICAL 2 CM FIND THE LENGTH OF SIDE OF THE SQUARE ?
Answer by ewatrrr(24785) About Me  (Show Source):
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Applying the Pythagorean Theorem
6sqrt%282%29+=+sqrt%282s%5E2%29 Squaring both sides
72 = 2s^2
36 = s^2
6 = s