Question

Please help i beg of you

Answer 1

Leg^2+leg^2=hypotenuse^2
A^2+b^2=c^2
6^2+b^2=9^2
36+b^2=81
-36 -36
B^2=45
Square root both sides and you get the missing sides to be 3root 5
I’m sort I don’t know how to do the root symbol on here.
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Answer 2

Answer:

I believe its 6 Im actually so sorry if its wrong