What is the length of side BC to one decimal place?

Mike Martin asked Apr 14, 2023

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Mike Martin asked Apr 14, 2023

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18 votes

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 )

JSWilson answered Apr 19, 2023

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