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Sagot :
Answer:
BC = 205.8 feet
Step-by-step explanation:
We only have one side, DB, so we have to use the given angles rather than the Pythagorean theorem.
Answer:
BC ≈ 205.8 ft
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos71° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{BD}{BC}[/tex] = [tex]\frac{67}{BC}[/tex] ( multiply both sides by BC )
BC × cos71° = 67 ( divide both sides by cos71° )
BC = [tex]\frac{67}{cos71}[/tex] ≈ 205.8 ft ( to the nearest tenth )
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