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stiv31 [10]
3 years ago
14

What is the length of BC? Round to the nearest tenth.

Mathematics
1 answer:
vredina [299]3 years ago
3 0

Answer:

BC ≈ 20.5 in

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos35° = \frac{adjacent}{hypotenuse} = \frac{BC}{AB} = \frac{BC}{25} ( multiply both sides by 25 )

25 × cos35° = BC , thus

BC ≈ 20.5 in ( to the nearest tenth )

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