algebra II
posted by betty .
I have been working on this problem for a while and for some reason I don't come up with the answer.
a^2+b^2=c^2
I came up with 2square root 5 please tell me if this is correct.
In a right triangle, Find the length of the side not given b=1, c=square root 10
thank you.

a^2 + b^2 = c^2
a^2 + (1*1) = 10
a^2 = 9
Can you take it from there? 
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
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