please answer it with step by step explanation
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Step-by-step explanation:
1.)OA + OB > AB
OB + OC > BC
OA + OC > AC
2.)As OA + OB > AB
OB + OC > BC
OA + OC > AC
Therefore 2 (OA + OB +OC) = AB+BC+CA
= OA + OB + OC = 1/2 AB + BC + CA
Hurray! thats what we have to prove.
Answered by
1
Answer:
a-> b-> c-> is the answer
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