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posted by Ayomide on .
what are the measures of the other two angles of an oblique triangle if the angle between the 6.5m. side and the 10.5 m. side is about 60 degree

If the sides are a and b, and the included angle is C, then
c^2 = a^2+b^22ab cosC
sinA/a = sinC/c
A+B+C = 180