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Help please!! solve the triangle
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Help please!! solve the triangle

Help please!! solve the triangle-example-1
User Swati Srivastava
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6.1k points

1 Answer

6 votes

By Using the Law of Cosines:

AC = sqrt(AB^2 + BC^2 - 2*AB*BC*cos(B)) = sqrt(169 + 441 - 2*21*13*cos(115)) ~ 29

User Beltran
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