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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Step-by-step explanation:

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well the answer is 4 have a good day

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