How to find side length given angle and 2 sides non right triangle?

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How to find side length given angle and 2 sides non right triangle?

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    2021-09-14T23:16:00+00:00

    I assume you mean, that an angle and two sides are known.

    A formula that can be used for irregular triangles is the cosine rule.
    a =  {b}^{2}  +  {c}^{2}  - 2ab \cos(angle \: opposite \: a)
    ‘b’ and ‘c’ must be sides that are beside the angle ‘A’ (angle opposite ‘a’).

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