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The Brainliest Answer!
2016-02-28T18:56:17+05:30
Triangle OPR is similar to triangle OAC by side angle side. And OP is half of OA and OR is half of OC. So PR is 5cm.
Similarly prove all triangles similar and you will get each side as 5cm and it will be equilateral.
2 5 2
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