1.

A cyclic polygon has n sides such that each of its interior angle measures 144^(@). What is the measures of the angle subtended by each of its side at the geometrical center of the polygon.

Answer»

`144^(@)`
`30^(@)`
`36^(@)`
`54^(@)`

Solution :FIND the number of SIDES of the polygon, ANLGE SUBTENDED at the center `=360^(@)/n`.


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