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Mathematics 13 Online
OpenStudy (anonymous):

Is a right triangle? Why or why not?http://media.education2020.com/evresources/2098430_8a5609e9-0ec3-41ef-b009-2423bb08b0c9.png Please help I'm doing a quiz and I'm timed

OpenStudy (anonymous):

Just check to see if a^2 +b^2 = c^2

OpenStudy (anonymous):

so if 5^2 + 3^2 = 2sqrt(17) then yes

OpenStudy (anonymous):

or you could use the law of sines or cosines I think if you've learned them

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