SOLUTION: Find the length of the diagonal of a square whose side length is 4cm

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Question 1182996: Find the length of the diagonal of a square whose side length is 4cm

Answer by ikleyn(52810) About Me  (Show Source):
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The diagonal is   sqrt%284%5E2+%2B+4%5E2%29 = sqrt%2816%2B16%29 = sqrt%2832%29 = sqrt%282%2A4%5E2%29 = 4%2Asqrt%282%29 = 5.657 cm (approximately; rounded).    ANSWER