Question

need step by step solution

Answer 1

In angle ABC,AB+BC >AS In angle ASC, AC+SC >AS, AB+BS+AC+SC >2AS {BS+AS=BC},AB+BC+CA >2AS proved

Answer 2

In triangle ABC

In triangle ABS

AB+BS > AS

In triangle ASC

AC+CS> AS

AB+BC+CA > 2AS

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