Respuesta :

rfking1964
I believe it is 400. I am sorry if I give you the wrong.
Darshman29

Answer:

The answer is 6.86

Step-by-step explanation:

I did the law of sines to figure out side AC.

5/sin (90)=x/sin (70)

5* sin (70)/sin (90)=x

x=4.7

a^2=4.7^2+5^2

a^2=22.09+25

[tex]a=\sqrt{47.09} \\a=6.86[/tex]

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