Respuesta :

Using A^2 + B^2= C^2 you plug in 8 as A and 8.5 as C because it’s the longest side and you get 8^2 + B^2 = 8.5^2
64 + b^2= 72.25
Subtract the 64 from the 72.25
B^2=8.25
Then take the square root
2.87
Not sure if this is right
A^2 + B^2 = C^2
=11.67(Approx)
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