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Use the law of cosines to determine the length x in each figure. Leave your answers in terms of radicals. (a) X 8 cm 60

Use the law of cosines to determine the length x in each figure. Leave your answers in terms of radicals. (a) X 8 cm 60 0 15 cm X = cm (b ) X 8 cm 120 0 15 cm X = cm

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