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Side A is less then side B+C
Step 5: a2 less then < b+c x b+c
Step 6: a2 less then< (b+c)2
Step 3: a2 less then< b2 plus + c2 plus+ 2bc
Step 2: a2 less then= b2 +plus c2 - 2bc(-1)
Step 8: a< less then b+ plus c
Step 1: a2 =less then b2 plus +c2 - 2bc(cos(A))
Step 4: a2 less then < b2 +plus c2 +plus bc plus + bc
Step 7: /a2 less then < /(b+c)2
