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Mathematics 7 Online
OpenStudy (anonymous):

In a right triangle find the length of the not given b=2, c=sqrt 13 for Algebra

OpenStudy (saifoo.khan):

what is A?

OpenStudy (radar):

Assuming that c is the hypotenuse. \[a=\sqrt{(\sqrt{13}^{2}-2^{2}}\]\[a=\sqrt{13-4} =\sqrt{9}=3\]

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