Problem 32 of 7
Use Law of Cosines in applied SAS problem two structural beams 7 meters and 10 meters long joined at an angle of 60 degrees.
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find missing side.
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Find missing side from included angle contexts.
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Solution
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1. Draw two known sides and included angle.
2. Substitute into Law of Cosines.
3. Take positive square root and interpret units.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using non-included angle as if it were included.