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Mathematics

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Find mZA.
Round to the nearest degree.
10
10
B
13
11

Find mZA. Round to the nearest degree. 10 10 B 13 11 class=

Answer :

asmaNasr asmaNasr

Today at 7:37 PM

Step-by-step explanation:

[tex] {13}^{2} = {10}^{2} + {11}^{2} - 2 \times (11)(10) \cos(a) \\ 169 = 100 + 121 - 110 \cos(a) \\ 52 = 110 \cos(b) \\ \cos(b) = \frac{26}{55} \\ b = 61.78 \: degrees[/tex]

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