Question

Please help. please
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Answer 1

B

Explanation:

In the right triangle with hypotenuse of 10 use the sine ratio to find x

sin20° =
`(opposite)/(hypotenuse)` =
`(x)/(10)`

Multiply both sides by 10

10 × sin20° = x, hence

x ≈ 3.4 ( to the nearest tenth ) → B