grandpianograce grandpianograce

25-01-2021
Mathematics

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Find a. Round your answer to the nearest hundredth

Find a Round your answer to the nearest hundredth class=

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asmaNasr asmaNasr

26-01-2021

Step-by-step explanation:

[tex]c = 40 \\ b = 180 - 90 - 40 = 50[/tex]

[tex] \cos(40) = \frac{a}{12} \\ 0.766 = \frac{a}{12 } \\ a = 9.19[/tex]

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