Respuesta :

Answer:

7.07 i believe since 10 divided by 2 sqr root is 7.07, and AC and CA are equal

Step-by-step explanation:

KillowPeak

Step-by-step explanation:

for AC

[tex]sin(45) = \frac{x}{10} [/tex]

rearrange and solve for x

[tex]10sin(45) = x[/tex]

then do the same process with BA

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