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Alexus [3.1K]
1 year ago
14

A 228 B 328 C 488 D 572

Mathematics
1 answer:
Aleksandr [31]1 year ago
7 0

Answer:

G 328 ft

Step-by-step explanation:

\cos(angleBAC)  =  \frac{AB}{AC}

\cos(55°)  =  \frac{AB}{400}

AB = 229.431 ft

AB² + BC² = AC²

229.431² + h² = 400²

h = 327.659 ft ≈ 328 ft

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