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OpenStudy (ellamoyseyuk):
What is the area of the square below?http://cdn.activelms.com/data/042c73b1-ddf5-4fd6-91e7-6c8434228f3d/Geometry%20Images/unit%2010-3%20q5.png a)16.97 cm^2 b) 72 cm^2 c) 144 cm^2 d) 288 cm^2
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OpenStudy (greenbannanabob):
The diagonal of a square is the side times sqrt(2). We are given half of the diagonal. What is one side length?
OpenStudy (ellamoyseyuk):
12
OpenStudy (greenbannanabob):
Not exactly. If 12 is half of a diagonal, the entire diagonal is 24. So the length of a side should be 24/sqrt(2)
OpenStudy (ellamoyseyuk):
16.9705627485
OpenStudy (greenbannanabob):
Correct, and 16.9705627485 squared is...
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