Math

Given ABC with a = 9, b = 5, and mA 80° , find mB . Round the sine value to the nearest thousandth and answer to the nearest whole degree.
I got 33° am I right?

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  1. sinB/b = sinA/A
    sinB/5 = sin80°/9
    sinB = 0.5471
    B = 33.17°

    good work

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  2. Use Law of Sines:
    SinA/a = SinB/b.
    Sin80/9 = SinB/5,
    SlnB = 5/9 * Sin80 = 0.5471.
    B = 33.o.

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