Question

please answer the encircled questions

Answer 1

Jello user

Solution.1.
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In triangle OAC and ODB , we have.

1. OA + OC > AC ( triangle inequality) ......(1)

2. OD + OB > BD ( triangle inequality)........(2)

Adding (1) and (2) , we get..

OA + OC + OD + OB > AC + BD

Hence proved.
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