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Papessa [141]
2 years ago
12

Need some help asap, giving brainliest

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
6 0

Answer:

16.19

Step-by-step explanation:

Use the cosine rule:

\sqrt{a^{2} +b^{2} -2abcosy} \\\\\sqrt{16^{2} +20^{2} -(2)(16)(20)cos(52)} \\\\\\= 16.19cm

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