1 Answer

Marsalis · Answer 1 · 2022-12-06T19:35:08+0000

Answer:

BC ≈ 9.9 cm

Explanation:

Using the sine ratio in the right triangle

sin64° =
(opposite)/(hypotenuse) =
(BC)/(AC) =
(BC)/(11) ( multiply both sides by 11 )

11 × sin64° = BC , then

BC ≈ 9.9 cm ( to 1 dec. place )

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