Question

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Answer 1

Just apply the Pythagoras Theorem,

AC² + BC² = AB²

AC² + 5² = 8²

AC² = 64 - 25

AC = √39

AC = 6.244

In short, Your Answer would be: Option E) None of the above

Hope this helps!

Answer 2

6.244 because 8 squared minus 5 squared equals 39. the sr of 39 is 6.244