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10.2 non right triangles. Law of cosines

10.2 non right triangles. Law of cosines-example-1
User Mazeryt
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Answer:

Set your calculator to degree mode.

(AB)² =

2.89² + 3.92² - 2(2.89)(3.92)(cos (45.5°)) =

7.8376

AB = about 2.80 miles

User SeUser
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