What is the third side having A is equal to 54 degree B is equal to 13 and C is equal to 9?

1 Answer

Answer :

If you mean angle A is 54 degrees and side b is 13 and side c is9 then by using the cosine rule in trigonometry side 'a' which isthe 3rd side works out as 10.605 units rounded to three decimalplaces.

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