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xxTIMURxx [149]
3 years ago
8

A) square root 6

Mathematics
2 answers:
babunello [35]3 years ago
7 0

Answer:

6 square root 2

Step-by-step explanation:

Vesna [10]3 years ago
3 0

sin(45degrees) or BC/AB is 1/sqrt2(that's the value of sin45 degrees I recommend you to memorize this.)

x/12=1/sqrt2

x*sqrt2=12

x=12/sqrt2

Now rationalize this fraction to make the answer more formal.

x=12sqrt2/2(I multiplied both top and bottom by sqrt2)

Now simplify

x=6sqrt2

Question done! answer is C 6 square root of 2

Hope this helped any questions just put them in the comments.

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