Question

for a scalene triangle with sides measuring 270, 442.85 and 255 what are the measures of their angles

Answer 1

Use law of cosines. Find one angle. Use the law of sines to find the other two.

Answer 2

Start with the law of the cosines.

http://www.ajdesigner.com/phptriangle/scalene_triangle_angle_bisector_ta.php

\[a ^{2}=b^{2}+c^{2}-2*b*c*\cos(A)\]
\[A=\arccos \left( \frac{b^{2}+c^{2}-a^{2}}{2*b*c} \right)\]