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Vikentia [17]
2 years ago
6

I want a way to solve this question​

Mathematics
1 answer:
AURORKA [14]2 years ago
5 0

Answer:

d

Step-by-step explanation:

Using the Cosine rule to find ∠ A

cosA = \frac{b^2+c^2-a^2}{2bc}

         = \frac{5.1^2+5.7^2-7.3^2}{2(5.1)(5.7)}

         = \frac{26.01+32.49-53.29}{58.14}

         = \frac{5.21}{58.14} , then

∠ A = cos^{-1} ( \frac{5.21}{58.14} ) ≈ 84.9° ( to 1 dec. place )

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Answer:

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Step-by-step explanation:

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maks197457 [2]

Answer:

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PLEASE LOOK AT ATTACTHMENT!!!

Download pdf
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
1377a08b6d21b745b22e15b9654dc988.png
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