ABC is the three sides of a triangle. If A3 + B3 = C3, then it is a triangle

Acute triangle
(a/c)^2+(b/c)^2>(a/c)^3+(b/c)^3=1
c^2

RELATED INFORMATIONS

1. In the triangle ABC, if the angles a, B and C form an arithmetic sequence, then A3 + B3 + C3=
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15. Point P (a, b) is on the straight line x + y + 1 = 0, find the minimum value of A2 + B2 − 2A − 2B + 2
16. Point P (a, b) is on the straight line x + y + 1 = 0, find the minimum value of A2 + B2 − 2A − 2B + 2
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