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Help plsssss with this tyy​

Help plsssss with this tyy​-example-1
User Dicroce
by
4.4k points

1 Answer

3 votes

Answer:

x = 60°

Explanation:

using the cosine ratio in the right triangle

cos x =
(adjacent)/(hypotenuse) =
(9)/(18) =
(1)/(2) , then

x =
cos^(-1) (
(1)/(2) ) = 60°

User Phil Ross
by
4.6k points