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OpenStudy (anonymous):
A square has a diagonal that is 50cm long. What is the area of the square? If necessary, round your answer to the nearest whole number.
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OpenStudy (flying_dutchman):
|dw:1331678877105:dw| so, a = b as it's a square. 2500 = 2a^2 1250 = a^2 a = 35.35533906 area = a*a area = 1250
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