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docker41 [41]
3 years ago
7

Please answer this fast in two minutes now

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
7 0

Answer:

<h2>             18.3</h2>

Step-by-step explanation:

from cosines theorem:

t² = 11² + 14² - 2•11•14•cos87°

t² = 121 + 196 + 308•0.05236

t² = 333.12688

t = √333.12688

t = 18.2517... ≈ 18.3

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