1 Answer

Adel Ben Hamadi · Answer 1 · 2023-05-31T12:05:27+0000

Answer:

BC ≈ 9.0

Explanation:

using the tangent ratio in the right triangle

tan42° =
(opposite)/(adjacent) =
(BC)/(AC) =
(BC)/(10) ( multiply both sides by 10 )

10 × tan42° = BC , then

BC ≈ 9.0 ( to 1 dec. place )

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