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OpenStudy (anonymous):
The area of a square garden is 128 m squared. How long is the diagonal?
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OpenStudy (anonymous):
a = d^2 / 2
OpenStudy (amistre64):
area of a square = side*side 128 = s^2 s = sqrt(128)
OpenStudy (anonymous):
128 = d^2 / 2 d^2 = 256 d=16 m
OpenStudy (amistre64):
err... the diag is just what sqrt(128+128) then :)
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