3 years ago

HELPP ASaPP I’ll mark you as brainlister

Mathematics

2 answers:

dimulka [17.4K]3 years ago

8 0

Answer:

8.9

Step-by-step explanation:

nika2105 [10]3 years ago

5 0

Answer:

BC ≈ 8.9 units

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos36° = $\frac{adjacent}{hypotenuse}$ = $\frac{BC}{AB}$ = $\frac{BC}{11}$ ( multiply both sides by 11 )

11 × cos36° = BC , then

BC ≈ 8.9 ( to the nearest tenth )

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