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How do you do this, I think it might be that a^2 + b^2 stuff but I’m not sure
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9 votes
9 votes
How do you do this, I think it might be that a^2 + b^2 stuff but I’m not sure

How do you do this, I think it might be that a^2 + b^2 stuff but I’m not sure-example-1
User Wavicle
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1 Answer

25 votes
25 votes

Solution

Note: Sine Rule


(a)/(sinA)=(b)/(sinB)=(c)/(sinC)

From the question, we have


\begin{gathered} (22)/(sin31)=(b)/(sin66) \\ \\ b=(22sin66)/(sin31) \\ \\ b=39.0 \end{gathered}

The answer is

How do you do this, I think it might be that a^2 + b^2 stuff but I’m not sure-example-1
User Dwaynemac
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