please solve this question
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we know in a triangle the sum of any two sides is greater then third side.
so in triangle ∆OBC
OB+OC > BC
=> OB+OC >7.............(i)
similarly
OA+OB>4...........(ii)
OA+OC>5...........(iv)
now equation (i)+(ii)+(iii) is
2(OB+OA+OC)>16
=> OA+OB+OC > 8
so in triangle ∆OBC
OB+OC > BC
=> OB+OC >7.............(i)
similarly
OA+OB>4...........(ii)
OA+OC>5...........(iv)
now equation (i)+(ii)+(iii) is
2(OB+OA+OC)>16
=> OA+OB+OC > 8
uttamkumar53:
please solve question no2 not3
ok
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