From the given relation , we have …………..(1)

Also in the cyclic quadrilateral , we have , by the ,

+ = .

Since is a regular polygon , so we have for .

………..(2)

Comparing (1) and (2) , we have .

Since the two diagonals follows the relation , then it is easy to say that there must be the same number pf vertices between and as between and .

So , only possibility is

Also in the cyclic quadrilateral , we have , by the ,

+ = .

Since is a regular polygon , so we have for .

………..(2)

Comparing (1) and (2) , we have .

Since the two diagonals follows the relation , then it is easy to say that there must be the same number pf vertices between and as between and .

So , only possibility is

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