O is any point within a triangle ABC whose sides are 4cm ,5cm,and 7cm respectively. Prove that (OA+OB+OC)>8cm
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Answer: Sum of two sides is greater than the third side.
OA+OB>4
OB+OC>5
OC+OA>7
2OA+ 2OB+ 2OC > 4+5+7
2 (OA+OB+OC) > 16
OA+OB+OC > 8
Step-by-step explanation:
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Answer:
O is any point within a triangle ABC whose sides are 4cm ,5cm,and 7cm respectively. Prove that (OA+OB+OC)>8cm
Step-by-step explanation:
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