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KATRIN_1 [288]
2 years ago
14

Find the value of y. help pls

Mathematics
1 answer:
Helga [31]2 years ago
3 0

Answer:

y=62.0

Step-by-step explanation:

Cosine rule Formula : √a²+b²-2abcos(angle)

\sqrt{11^{2}+61^{2}-2 \times 11 \times61\times cos(90)  }=61.98387

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