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Higher Maths Question Help?
Question: Triangle ABC has vertices A(-1,-3), B(3,0) and C(-3,2). Prove that Angle A > Angle B > Angle C.
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- 9 years agoFavorite Answer
First you have to find the DISTANCE BETWEEN THE POINTS.
AB
AC
BC
You have to use the formula : D=sqrt( (x1-x2)^2 + (y1-y2)^2)
Then you have to use the Sine Rule
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