1 Answer

TonySalimi · Answer 1 · 2021-06-09T12:34:07+0000

Answer:

A

Explanation:

Using the sine ratio in the right triangle

sin40° =
(opposite)/(hypotenuse) =
(AC)/(AB) =
(AC)/(10)

Multiply both sides by 10, then

10 × sin40° = AC → A

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