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anonymous

  • one year ago

In ∆ABC, AC = 15 centimeters, m B = 68°, and m C = 24°. What is BC to two decimal places? A. 6.58 centimeters B. 9.88 centimeters C. 13.57 centimeters D. 16.17 E. 19025 centimeters

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  1. campbell_st
    • one year ago
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    start by finding x... using angle sum of a triangle |dw:1432931685475:dw|

  2. anonymous
    • one year ago
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    88?

  3. campbell_st
    • one year ago
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    then use the law of sines |dw:1432931827013:dw| \[\frac{15}{\sin(68)} = \frac{BC}{\sin(x)}\] hope it helps

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