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Higher Maths Homework Help?

Question: Triangle ABC has vertices A(-1,-3), B(3,0) and C(-3,2). Prove that Angle A > Angle B > Angle C.

I am unsure of how to approach this question, can someone talk me through I would do this question?

1 Answer

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  • James
    Lv 5
    9 years ago
    Favorite Answer

    Use the cosine rule to work out one of the angles, then the sine or cosine rules to work out the others.

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