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If O be ithe circum- centre of an equila...

If O be ithe circum- centre of an equilateral triangle, then the value front central angle produced by any one of its sides is equal to _______

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`120^(@)` since, let ABC be an equilateral triangle. `:. angleBAC = angle ABC= angle ACB= 60^(@)`. Now, the fron entral angle produced by `BC= angle BOC`.
The angle in circle produced by `BC= angle BAC`.
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