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OpenStudy (kymber):
How to do this?!
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OpenStudy (kymber):
OpenStudy (anonymous):
\[12\times\sqrt{2}\] and a calculator
OpenStudy (kymber):
Why?
OpenStudy (anonymous):
|dw:1333391699146:dw| so, using c = sqrt(a^2+b^2), since a and b are equal (it's a isocele triangle because of the 2 45 degree angles), that's x = sqrt(2*12^2) = sqrt(2*144) = 12 * sqrt(2)
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