Question

find the area of triangle ABC?​

Answer 1

Answer:

Find the area of the triangle △ABC given A = 115º, B = 25º, C = 40º, and a = 12. In Figures 6 & 7, let D be the point where the altitude touches ¯AB (or its extension). =(a−b+c)(a+b−c)2bc. K=√s(s−a)(s−b)(s−c).

Answer 2

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